User:Guy vandegrift/Quizbank/Archive1/How things work/Sample exam 1

From Wikiversity
Jump to navigation Jump to search

HTW T1 sample[edit]

If you are reading this as a Wikiversity page, proper pagebreaks should result if printed using your browser's print option. On Chrome, Explorer, and Firefox, this option is available in the upper right hand corner of your screen. But, pagebreaks do not render properly if you use "Printable version" on Wikiversity's Print/export option on the left-hand sidebar.

This document contains either a study guide OR pairs of exams taken from the same exam bank
If two exams have the same s-number, then v1 and v2 have the same questions, presented in different (random) order.
Exams with different s-numbers have different questions and may not have the same difficulty.
Click items in the table of contents and appropriate page should be reached. This feature should allow you to print only those pages that you need.
At the end of this document
Attribution for the quizzes identifies where the questions were obtained
Study guide links reading materials and/or relevant equations.

HTW T1 sample-v1s1[edit]

1. An important principle that allows fiber optics to work is

___ a) the Doppler shift
___ b) total internal reflection
___ c) the invariance of the speed of light
___ d) partial internal absorption
___ e) total external refraction


2. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 40
___ b) 60
___ c) 50
___ d) 20
___ e) 30


3. What are the units of Plank's constant?

___ a) all of the above
___ b) mass x velocity x distance
___ c) energy x time
___ d) none of the above
___ e) momentum x distance


4. The law of reflection applies to

___ a) telescopes but not microscopes
___ b) curved surfaces
___ c) flat surfaces
___ d) only light in a vacuum
___ e) both flat and curved surfaces


5. What are examples of energy?

___ a)
___ b) heat
___ c) all of the above
___ d) momentum


6. Perfect fifth notes graphed.svg Two signals (dashed) add to a solid

___ a) fifth
___ b) dissonance
___ c) octave


7. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

___ a) 9.0 meters
___ b) 12.0 meters
___ c) 10.0 meters
___ d) 11.0 meters
___ e) 8.0 meters


8. A car is traveling east and slowing down. The acceleration is

___ a) zero
___ b) to the east
___ c) to the west


9. Octave notes graphed.svg Two signals (dashed) add to a solid

___ a) dissonance
___ b) octave
___ c) fifth


10. When a table cloth is quickly pulled out from under dishes, they hardly move. This is because

___ a) objects don't begin to accelerate until after the force has been applied
___ b) the cloth is more slippery when it is pulled quickly
___ c) the cloth is accelerating for such a brief time that there is little motion


11. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

___ a) low mass
___ b) confinement to a small space
___ c) low speed
___ d) high speed


12. Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

___ a) 10.0 meters
___ b) 7.0 meters
___ c) 11.0 meters
___ d) 9.0 meters
___ e) 8.0 meters


13. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

___ a) Ray drawing eye Wrong Answer.svg
___ b) Ray drawing eye schematic alternate.svg
___ c) Ray drawing eye schematic02.svg


14. If you toss a coin into the air, the acceleration while it as its highest point is

___ a) up
___ b) down
___ c) zero


15.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
___ a) how a farsighted person might see a distant object
___ b) how a nearsighted person might see an object that is too close for comfort
___ c) how a farsighted person might see an object that is too close for comfort
___ d) how a nearsighted person might see a distant object


16. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

___ a) north
___ b) west
___ c) south
___ d) zero
___ e) east


17. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher frequency
___ b) the low density rope supports a wave with a lower frequency
___ c) the low density rope supports a wave with a lower speed
___ d) the low density rope supports a wave with a higher speed


18. A car is traveling east and speeding up. The acceleration is

___ a) zero
___ b) to the west
___ c) to the east


19. The focal point is where

___ a) rays meet whenever they pass through a lens
___ b) rays meet whenever they are forming an image
___ c) rays meet if they were parallel to the optical axis before striking a lens
___ d) rays meet if they are parallel to each other
___ e) the center of the lens


20. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

___ a) 27.0 meters
___ b) 24.0 meters
___ c) 25.0 meters
___ d) 23.0 meters
___ e) 26.0 meters


21. A car is headed due north and decreasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

___ a) south
___ b) southeast
___ c) northeast
___ d) north
___ e) northwest


22. What are examples of energy?

___ a) mgh where m is mass, g is gravity, and h is height
___ b) heat
___ c) all of the above
___ d)


23. Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

___ a) 11.0 meters
___ b) 9.0 meters
___ c) 8.0 meters
___ d) 12.0 meters
___ e) 10.0 meters


24. Ray drawing eye schematic01.svg If this represents the eye looking at an object, where is this object?

___ a) directly in front of the eye (almost touching)
___ b) Two (of the other answers) are true
___ c) very far away
___ d) One focal length in front of the eye
___ e) at infinity


25. When a wave is reflected off a stationary barrier, the reflected wave

___ a) has higher frequency than the incident wave
___ b) has lower amplitude than the incident wave
___ c) both of these are true


26. If a source of sound is moving towards you, the pitch becomes

___ a) higher
___ b) lower
___ c) unchanged


27. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength stays the same
___ b) the wavelength gets shorter
___ c) the wavelength gets longer


28. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

___ a) southeast
___ b) northwest
___ c) northeast
___ d) north
___ e) northeast


29. If you toss a coin into the air, the velocity on the way up is

___ a) zero
___ b) up
___ c) down


30. Mr. Smith starts from rest and accelerates to 4 m/s in 3 seconds. How far did he travel?

___ a) 7.0 meters
___ b) 5.0 meters
___ c) 3.0 meters
___ d) 4.0 meters
___ e) 6.0 meters


Key to HTW T1 sample-v1s1[edit]

1. An important principle that allows fiber optics to work is

- a) the Doppler shift
+ b) total internal reflection
- c) the invariance of the speed of light
- d) partial internal absorption
- e) total external refraction


2. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 40
- b) 60
- c) 50
+ d) 20
- e) 30


3. What are the units of Plank's constant?

+ a) all of the above
- b) mass x velocity x distance
- c) energy x time
- d) none of the above
- e) momentum x distance


4. The law of reflection applies to

- a) telescopes but not microscopes
- b) curved surfaces
- c) flat surfaces
- d) only light in a vacuum
+ e) both flat and curved surfaces


5. What are examples of energy?

- a)
- b) heat
+ c) all of the above
- d) momentum


6. Perfect fifth notes graphed.svg Two signals (dashed) add to a solid

+ a) fifth
- b) dissonance
- c) octave


7. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

- a) 9.0 meters
+ b) 12.0 meters
- c) 10.0 meters
- d) 11.0 meters
- e) 8.0 meters


8. A car is traveling east and slowing down. The acceleration is

- a) zero
- b) to the east
+ c) to the west


9. Octave notes graphed.svg Two signals (dashed) add to a solid

- a) dissonance
+ b) octave
- c) fifth


10. When a table cloth is quickly pulled out from under dishes, they hardly move. This is because

- a) objects don't begin to accelerate until after the force has been applied
- b) the cloth is more slippery when it is pulled quickly
+ c) the cloth is accelerating for such a brief time that there is little motion


11. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

- a) low mass
- b) confinement to a small space
- c) low speed
+ d) high speed


12. Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

+ a) 10.0 meters
- b) 7.0 meters
- c) 11.0 meters
- d) 9.0 meters
- e) 8.0 meters


13. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

- a) Ray drawing eye Wrong Answer.svg
- b) Ray drawing eye schematic alternate.svg
+ c) Ray drawing eye schematic02.svg


14. If you toss a coin into the air, the acceleration while it as its highest point is

- a) up
+ b) down
- c) zero


15.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
- a) how a farsighted person might see a distant object
- b) how a nearsighted person might see an object that is too close for comfort
- c) how a farsighted person might see an object that is too close for comfort
+ d) how a nearsighted person might see a distant object


16. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- a) north
+ b) west
- c) south
- d) zero
- e) east


17. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a higher frequency
- b) the low density rope supports a wave with a lower frequency
- c) the low density rope supports a wave with a lower speed
+ d) the low density rope supports a wave with a higher speed


18. A car is traveling east and speeding up. The acceleration is

- a) zero
- b) to the west
+ c) to the east


19. The focal point is where

- a) rays meet whenever they pass through a lens
- b) rays meet whenever they are forming an image
+ c) rays meet if they were parallel to the optical axis before striking a lens
- d) rays meet if they are parallel to each other
- e) the center of the lens


20. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

- a) 27.0 meters
+ b) 24.0 meters
- c) 25.0 meters
- d) 23.0 meters
- e) 26.0 meters


21. A car is headed due north and decreasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

- a) south
+ b) southeast
- c) northeast
- d) north
- e) northwest


22. What are examples of energy?

- a) mgh where m is mass, g is gravity, and h is height
- b) heat
+ c) all of the above
- d)


23. Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

- a) 11.0 meters
+ b) 9.0 meters
- c) 8.0 meters
- d) 12.0 meters
- e) 10.0 meters


24. Ray drawing eye schematic01.svg If this represents the eye looking at an object, where is this object?

- a) directly in front of the eye (almost touching)
+ b) Two (of the other answers) are true
- c) very far away
- d) One focal length in front of the eye
- e) at infinity


25. When a wave is reflected off a stationary barrier, the reflected wave

- a) has higher frequency than the incident wave
+ b) has lower amplitude than the incident wave
- c) both of these are true


26. If a source of sound is moving towards you, the pitch becomes

+ a) higher
- b) lower
- c) unchanged


27. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

- a) the wavelength stays the same
- b) the wavelength gets shorter
+ c) the wavelength gets longer


28. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- a) southeast
- b) northwest
- c) northeast
+ d) north
- e) northeast


29. If you toss a coin into the air, the velocity on the way up is

- a) zero
+ b) up
- c) down


30. Mr. Smith starts from rest and accelerates to 4 m/s in 3 seconds. How far did he travel?

- a) 7.0 meters
- b) 5.0 meters
- c) 3.0 meters
- d) 4.0 meters
+ e) 6.0 meters


HTW T1 sample-v2s1[edit]

1. If a source of sound is moving towards you, the pitch becomes

___ a) higher
___ b) lower
___ c) unchanged


2. If you toss a coin into the air, the velocity on the way up is

___ a) down
___ b) up
___ c) zero


3. Mr. Smith starts from rest and accelerates to 4 m/s in 3 seconds. How far did he travel?

___ a) 4.0 meters
___ b) 5.0 meters
___ c) 6.0 meters
___ d) 7.0 meters
___ e) 3.0 meters


4. A car is traveling east and slowing down. The acceleration is

___ a) to the west
___ b) zero
___ c) to the east


5. What are the units of Plank's constant?

___ a) all of the above
___ b) momentum x distance
___ c) none of the above
___ d) mass x velocity x distance
___ e) energy x time


6. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

___ a) 23.0 meters
___ b) 27.0 meters
___ c) 26.0 meters
___ d) 24.0 meters
___ e) 25.0 meters


7. The focal point is where

___ a) rays meet if they are parallel to each other
___ b) rays meet if they were parallel to the optical axis before striking a lens
___ c) rays meet whenever they are forming an image
___ d) the center of the lens
___ e) rays meet whenever they pass through a lens


8. A car is traveling east and speeding up. The acceleration is

___ a) to the west
___ b) to the east
___ c) zero


9. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

___ a) northeast
___ b) southeast
___ c) northwest
___ d) northeast
___ e) north


10. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 40
___ b) 50
___ c) 20
___ d) 30
___ e) 60


11. When a wave is reflected off a stationary barrier, the reflected wave

___ a) both of these are true
___ b) has higher frequency than the incident wave
___ c) has lower amplitude than the incident wave


12. Ray drawing eye schematic01.svg If this represents the eye looking at an object, where is this object?

___ a) at infinity
___ b) One focal length in front of the eye
___ c) Two (of the other answers) are true
___ d) directly in front of the eye (almost touching)
___ e) very far away


13. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

___ a) low speed
___ b) low mass
___ c) confinement to a small space
___ d) high speed


14. Octave notes graphed.svg Two signals (dashed) add to a solid

___ a) fifth
___ b) octave
___ c) dissonance


15.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
___ a) how a farsighted person might see an object that is too close for comfort
___ b) how a nearsighted person might see an object that is too close for comfort
___ c) how a nearsighted person might see a distant object
___ d) how a farsighted person might see a distant object


16. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher frequency
___ b) the low density rope supports a wave with a lower speed
___ c) the low density rope supports a wave with a higher speed
___ d) the low density rope supports a wave with a lower frequency


17. Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

___ a) 12.0 meters
___ b) 10.0 meters
___ c) 8.0 meters
___ d) 11.0 meters
___ e) 9.0 meters


18. Perfect fifth notes graphed.svg Two signals (dashed) add to a solid

___ a) octave
___ b) fifth
___ c) dissonance


19. What are examples of energy?

___ a)
___ b) heat
___ c) momentum
___ d) all of the above


20. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength gets shorter
___ b) the wavelength stays the same
___ c) the wavelength gets longer


21. If you toss a coin into the air, the acceleration while it as its highest point is

___ a) down
___ b) zero
___ c) up


22. A car is headed due north and decreasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

___ a) southeast
___ b) northeast
___ c) north
___ d) northwest
___ e) south


23. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

___ a) 8.0 meters
___ b) 10.0 meters
___ c) 9.0 meters
___ d) 11.0 meters
___ e) 12.0 meters


24. When a table cloth is quickly pulled out from under dishes, they hardly move. This is because

___ a) objects don't begin to accelerate until after the force has been applied
___ b) the cloth is more slippery when it is pulled quickly
___ c) the cloth is accelerating for such a brief time that there is little motion


25. Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

___ a) 11.0 meters
___ b) 10.0 meters
___ c) 9.0 meters
___ d) 8.0 meters
___ e) 7.0 meters


26. The law of reflection applies to

___ a) both flat and curved surfaces
___ b) telescopes but not microscopes
___ c) curved surfaces
___ d) only light in a vacuum
___ e) flat surfaces


27. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

___ a) east
___ b) west
___ c) north
___ d) south
___ e) zero


28. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

___ a) Ray drawing eye Wrong Answer.svg
___ b) Ray drawing eye schematic alternate.svg
___ c) Ray drawing eye schematic02.svg


29. An important principle that allows fiber optics to work is

___ a) total external refraction
___ b) total internal reflection
___ c) the Doppler shift
___ d) the invariance of the speed of light
___ e) partial internal absorption


30. What are examples of energy?

___ a) mgh where m is mass, g is gravity, and h is height
___ b) all of the above
___ c)
___ d) heat


Key to HTW T1 sample-v2s1[edit]

1. If a source of sound is moving towards you, the pitch becomes

+ a) higher
- b) lower
- c) unchanged


2. If you toss a coin into the air, the velocity on the way up is

- a) down
+ b) up
- c) zero


3. Mr. Smith starts from rest and accelerates to 4 m/s in 3 seconds. How far did he travel?

- a) 4.0 meters
- b) 5.0 meters
+ c) 6.0 meters
- d) 7.0 meters
- e) 3.0 meters


4. A car is traveling east and slowing down. The acceleration is

+ a) to the west
- b) zero
- c) to the east


5. What are the units of Plank's constant?

+ a) all of the above
- b) momentum x distance
- c) none of the above
- d) mass x velocity x distance
- e) energy x time


6. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

- a) 23.0 meters
- b) 27.0 meters
- c) 26.0 meters
+ d) 24.0 meters
- e) 25.0 meters


7. The focal point is where

- a) rays meet if they are parallel to each other
+ b) rays meet if they were parallel to the optical axis before striking a lens
- c) rays meet whenever they are forming an image
- d) the center of the lens
- e) rays meet whenever they pass through a lens


8. A car is traveling east and speeding up. The acceleration is

- a) to the west
+ b) to the east
- c) zero


9. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- a) northeast
- b) southeast
- c) northwest
- d) northeast
+ e) north


10. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 40
- b) 50
+ c) 20
- d) 30
- e) 60


11. When a wave is reflected off a stationary barrier, the reflected wave

- a) both of these are true
- b) has higher frequency than the incident wave
+ c) has lower amplitude than the incident wave


12. Ray drawing eye schematic01.svg If this represents the eye looking at an object, where is this object?

- a) at infinity
- b) One focal length in front of the eye
+ c) Two (of the other answers) are true
- d) directly in front of the eye (almost touching)
- e) very far away


13. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?

- a) low speed
- b) low mass
- c) confinement to a small space
+ d) high speed


14. Octave notes graphed.svg Two signals (dashed) add to a solid

- a) fifth
+ b) octave
- c) dissonance


15.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
- a) how a farsighted person might see an object that is too close for comfort
- b) how a nearsighted person might see an object that is too close for comfort
+ c) how a nearsighted person might see a distant object
- d) how a farsighted person might see a distant object


16. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a higher frequency
- b) the low density rope supports a wave with a lower speed
+ c) the low density rope supports a wave with a higher speed
- d) the low density rope supports a wave with a lower frequency


17. Mr. Smith is driving at a speed of 5 m/s, when he slows down to a speed of 4 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

- a) 12.0 meters
- b) 10.0 meters
- c) 8.0 meters
- d) 11.0 meters
+ e) 9.0 meters


18. Perfect fifth notes graphed.svg Two signals (dashed) add to a solid

- a) octave
+ b) fifth
- c) dissonance


19. What are examples of energy?

- a)
- b) heat
- c) momentum
+ d) all of the above


20. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

- a) the wavelength gets shorter
- b) the wavelength stays the same
+ c) the wavelength gets longer


21. If you toss a coin into the air, the acceleration while it as its highest point is

+ a) down
- b) zero
- c) up


22. A car is headed due north and decreasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

+ a) southeast
- b) northeast
- c) north
- d) northwest
- e) south


23. Mr. Smith is driving at a speed of 7 m/s, when he slows down to a speed of 5 m/s, when he hits a wall at this speed, after travelling for 2 seconds. How far did he travel?

- a) 8.0 meters
- b) 10.0 meters
- c) 9.0 meters
- d) 11.0 meters
+ e) 12.0 meters


24. When a table cloth is quickly pulled out from under dishes, they hardly move. This is because

- a) objects don't begin to accelerate until after the force has been applied
- b) the cloth is more slippery when it is pulled quickly
+ c) the cloth is accelerating for such a brief time that there is little motion


25. Mr. Smith is driving at a speed of 4 m/s, when he slows down to a speed of 1 m/s, when he hits a wall at this speed, after travelling for 4 seconds. How far did he travel?

- a) 11.0 meters
+ b) 10.0 meters
- c) 9.0 meters
- d) 8.0 meters
- e) 7.0 meters


26. The law of reflection applies to

+ a) both flat and curved surfaces
- b) telescopes but not microscopes
- c) curved surfaces
- d) only light in a vacuum
- e) flat surfaces


27. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- a) east
+ b) west
- c) north
- d) south
- e) zero


28. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

- a) Ray drawing eye Wrong Answer.svg
- b) Ray drawing eye schematic alternate.svg
+ c) Ray drawing eye schematic02.svg


29. An important principle that allows fiber optics to work is

- a) total external refraction
+ b) total internal reflection
- c) the Doppler shift
- d) the invariance of the speed of light
- e) partial internal absorption


30. What are examples of energy?

- a) mgh where m is mass, g is gravity, and h is height
+ b) all of the above
- c)
- d) heat


HTW T1 sample-v1s2[edit]

1. If you toss a coin into the air, the acceleration on the way down is

___ a) down
___ b) up
___ c) zero


2. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The note is over by the time the first beat is heard
___ b) Reverberation usually stifles the beats
___ c) Echo usually stifles the beats
___ d) The beats happen so many times per second you can't hear them.


3. If you toss a coin into the air, the velocity on the way down is

___ a) zero
___ b) up
___ c) down


4. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

___ a) southwest
___ b) northwest
___ c) north
___ d) northeast
___ e) south


5. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

___ a) 13.0 meters
___ b) 16.0 meters
___ c) 15.0 meters
___ d) 17.0 meters
___ e) 14.0 meters


6. The focal point is where

___ a) rays meet if they are parallel to each other
___ b) rays meet whenever they are forming an image
___ c) rays meet if they were parallel to the optical axis before striking a lens
___ d) the center of the lens
___ e) rays meet whenever they pass through a lens


7. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 60
___ b) 40
___ c) 30
___ d) 20
___ e) 50


8. A car is traveling east and speeding up. The acceleration is

___ a) to the east
___ b) zero
___ c) to the west


9. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

___ a) north
___ b) northeast
___ c) southwest
___ d) northwest
___ e) south


10. What are examples of energy?

___ a) momentum
___ b) all of the above
___ c)
___ d) heat


11. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

___ a) Ray drawing eye Wrong Answer.svg
___ b) Ray drawing eye schematic02.svg
___ c) Ray drawing eye schematic alternate.svg


12. When light passes from air to glass

___ a) it bends away from the normal
___ b) the frequency increases
___ c) it does not bend
___ d) it bends towards the normal
___ e) the frequency decreases


13. In optics, normal means

___ a) parallel to the surface
___ b) to the right of the optical axis
___ c) to the left of the optical axis
___ d) perpendicular to the surface


14. The first paper that introduced quantum mechanics was the study of

___ a) light
___ b) energy
___ c) electrons
___ d) protons


15. Which lens has the shorter focal length?

___ a) Ray drawing eye schematic01.svg
___ b) Ray drawing eye schematic.svg
___ c) They have the same focal lengh.


16. Pulse interference 2.svgThese two pulses will collide and produce

___ a) negative interference
___ b) positive interference
___ c) positive diffraction
___ d) negative diffraction


17. A car is traveling east and slowing down. The acceleration is

___ a) to the east
___ b) to the west
___ c) zero


18. What are examples of energy?

___ a) heat
___ b) mgh where m is mass, g is gravity, and h is height
___ c)
___ d) all of the above


19. Mr. Smith starts from rest and accelerates to 4 m/s in 5 seconds. How far did he travel?

___ a) 10.0 meters
___ b) 8.0 meters
___ c) 11.0 meters
___ d) 7.0 meters
___ e) 9.0 meters


20. What are the units of Plank's constant?

___ a) momentum x distance x mass
___ b) energy x time
___ c) none of the above
___ d) mass x velocity
___ e) all of the above


21. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher frequency
___ b) the low density rope supports a wave with a higher speed
___ c) the low density rope supports a wave with a lower speed
___ d) the low density rope supports a wave with a lower frequency


22. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

___ a) north
___ b) southeast
___ c) northwest
___ d) northeast
___ e) northeast


23. Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

___ a) 7.0 meters
___ b) 4.0 meters
___ c) 3.0 meters
___ d) 5.0 meters
___ e) 6.0 meters


24. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

___ a) 20.0 meters
___ b) 17.0 meters
___ c) 16.0 meters
___ d) 18.0 meters
___ e) 19.0 meters


25. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) The difference in path lengths creates more reverberation.
___ b) The difference in path lengths creates more echo.
___ c) Rough walls make for a louder sound.


26. Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

___ a) 21.0 meters
___ b) 22.0 meters
___ c) 19.0 meters
___ d) 23.0 meters
___ e) 20.0 meters


27. Pulse interference 4.svgThese two pulses will collide and produce

___ a) positive interference
___ b) negative interference
___ c) positive diffraction
___ d) negative diffraction


28. As the Moon circles Earth, the acceleration of the Moon is

___ a) in the same direction as the Moon's velocity
___ b) away from Earth
___ c) opposite the direction of the Moon's velocity
___ d) towards Earth
___ e) zero


29. If a source of sound is moving towards you, the pitch becomes

___ a) unchanged
___ b) lower
___ c) higher


30.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
___ a) how a farsighted person might see an object that is too close for comfort
___ b) how a nearsighted person might see a distant object
___ c) how a nearsighted person might see an object that is too close for comfort
___ d) how a farsighted person might see a distant object


Key to HTW T1 sample-v1s2[edit]

1. If you toss a coin into the air, the acceleration on the way down is

+ a) down
- b) up
- c) zero


2. Why don't we hear beats when two different notes on a piano are played at the same time?

- a) The note is over by the time the first beat is heard
- b) Reverberation usually stifles the beats
- c) Echo usually stifles the beats
+ d) The beats happen so many times per second you can't hear them.


3. If you toss a coin into the air, the velocity on the way down is

- a) zero
- b) up
+ c) down


4. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

- a) southwest
- b) northwest
+ c) north
- d) northeast
- e) south


5. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

- a) 13.0 meters
+ b) 16.0 meters
- c) 15.0 meters
- d) 17.0 meters
- e) 14.0 meters


6. The focal point is where

- a) rays meet if they are parallel to each other
- b) rays meet whenever they are forming an image
+ c) rays meet if they were parallel to the optical axis before striking a lens
- d) the center of the lens
- e) rays meet whenever they pass through a lens


7. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 60
- b) 40
- c) 30
+ d) 20
- e) 50


8. A car is traveling east and speeding up. The acceleration is

+ a) to the east
- b) zero
- c) to the west


9. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

- a) north
+ b) northeast
- c) southwest
- d) northwest
- e) south


10. What are examples of energy?

- a) momentum
+ b) all of the above
- c)
- d) heat


11. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

- a) Ray drawing eye Wrong Answer.svg
+ b) Ray drawing eye schematic02.svg
- c) Ray drawing eye schematic alternate.svg


12. When light passes from air to glass

- a) it bends away from the normal
- b) the frequency increases
- c) it does not bend
+ d) it bends towards the normal
- e) the frequency decreases


13. In optics, normal means

- a) parallel to the surface
- b) to the right of the optical axis
- c) to the left of the optical axis
+ d) perpendicular to the surface


14. The first paper that introduced quantum mechanics was the study of

+ a) light
- b) energy
- c) electrons
- d) protons


15. Which lens has the shorter focal length?

- a) Ray drawing eye schematic01.svg
+ b) Ray drawing eye schematic.svg
- c) They have the same focal lengh.


16. Pulse interference 2.svgThese two pulses will collide and produce

+ a) negative interference
- b) positive interference
- c) positive diffraction
- d) negative diffraction


17. A car is traveling east and slowing down. The acceleration is

- a) to the east
+ b) to the west
- c) zero


18. What are examples of energy?

- a) heat
- b) mgh where m is mass, g is gravity, and h is height
- c)
+ d) all of the above


19. Mr. Smith starts from rest and accelerates to 4 m/s in 5 seconds. How far did he travel?

+ a) 10.0 meters
- b) 8.0 meters
- c) 11.0 meters
- d) 7.0 meters
- e) 9.0 meters


20. What are the units of Plank's constant?

- a) momentum x distance x mass
- b) energy x time
- c) none of the above
- d) mass x velocity
+ e) all of the above


21. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a higher frequency
+ b) the low density rope supports a wave with a higher speed
- c) the low density rope supports a wave with a lower speed
- d) the low density rope supports a wave with a lower frequency


22. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

+ a) north
- b) southeast
- c) northwest
- d) northeast
- e) northeast


23. Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

- a) 7.0 meters
- b) 4.0 meters
+ c) 3.0 meters
- d) 5.0 meters
- e) 6.0 meters


24. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

- a) 20.0 meters
- b) 17.0 meters
+ c) 16.0 meters
- d) 18.0 meters
- e) 19.0 meters


25. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+ a) The difference in path lengths creates more reverberation.
- b) The difference in path lengths creates more echo.
- c) Rough walls make for a louder sound.


26. Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

- a) 21.0 meters
- b) 22.0 meters
- c) 19.0 meters
- d) 23.0 meters
+ e) 20.0 meters


27. Pulse interference 4.svgThese two pulses will collide and produce

+ a) positive interference
- b) negative interference
- c) positive diffraction
- d) negative diffraction


28. As the Moon circles Earth, the acceleration of the Moon is

- a) in the same direction as the Moon's velocity
- b) away from Earth
- c) opposite the direction of the Moon's velocity
+ d) towards Earth
- e) zero


29. If a source of sound is moving towards you, the pitch becomes

- a) unchanged
- b) lower
+ c) higher


30.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
- a) how a farsighted person might see an object that is too close for comfort
+ b) how a nearsighted person might see a distant object
- c) how a nearsighted person might see an object that is too close for comfort
- d) how a farsighted person might see a distant object


HTW T1 sample-v2s2[edit]

1. What are the units of Plank's constant?

___ a) all of the above
___ b) momentum x distance x mass
___ c) energy x time
___ d) none of the above
___ e) mass x velocity


2. Which lens has the shorter focal length?

___ a) They have the same focal lengh.
___ b) Ray drawing eye schematic01.svg
___ c) Ray drawing eye schematic.svg


3. If you toss a coin into the air, the velocity on the way down is

___ a) zero
___ b) up
___ c) down


4. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 40
___ b) 60
___ c) 20
___ d) 30
___ e) 50


5. If a source of sound is moving towards you, the pitch becomes

___ a) lower
___ b) unchanged
___ c) higher


6. In optics, normal means

___ a) to the left of the optical axis
___ b) to the right of the optical axis
___ c) perpendicular to the surface
___ d) parallel to the surface


7. Mr. Smith starts from rest and accelerates to 4 m/s in 5 seconds. How far did he travel?

___ a) 8.0 meters
___ b) 10.0 meters
___ c) 9.0 meters
___ d) 11.0 meters
___ e) 7.0 meters


8. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) The difference in path lengths creates more reverberation.
___ b) Rough walls make for a louder sound.
___ c) The difference in path lengths creates more echo.


9. When light passes from air to glass

___ a) the frequency increases
___ b) it bends towards the normal
___ c) it does not bend
___ d) it bends away from the normal
___ e) the frequency decreases


10. Pulse interference 2.svgThese two pulses will collide and produce

___ a) negative diffraction
___ b) positive diffraction
___ c) negative interference
___ d) positive interference


11. A car is traveling east and speeding up. The acceleration is

___ a) to the west
___ b) zero
___ c) to the east


12. The focal point is where

___ a) rays meet if they are parallel to each other
___ b) rays meet whenever they pass through a lens
___ c) the center of the lens
___ d) rays meet if they were parallel to the optical axis before striking a lens
___ e) rays meet whenever they are forming an image


13. The first paper that introduced quantum mechanics was the study of

___ a) electrons
___ b) light
___ c) energy
___ d) protons


14. If you toss a coin into the air, the acceleration on the way down is

___ a) up
___ b) zero
___ c) down


15. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a lower frequency
___ b) the low density rope supports a wave with a higher frequency
___ c) the low density rope supports a wave with a lower speed
___ d) the low density rope supports a wave with a higher speed


16. A car is traveling east and slowing down. The acceleration is

___ a) zero
___ b) to the east
___ c) to the west


17. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

___ a) north
___ b) south
___ c) southwest
___ d) northwest
___ e) northeast


18. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

___ a) south
___ b) north
___ c) southwest
___ d) northwest
___ e) northeast


19. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

___ a) 15.0 meters
___ b) 16.0 meters
___ c) 17.0 meters
___ d) 14.0 meters
___ e) 13.0 meters


20. What are examples of energy?

___ a) mgh where m is mass, g is gravity, and h is height
___ b) heat
___ c)
___ d) all of the above


21. What are examples of energy?

___ a) heat
___ b) all of the above
___ c)
___ d) momentum


22. Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

___ a) 4.0 meters
___ b) 3.0 meters
___ c) 6.0 meters
___ d) 7.0 meters
___ e) 5.0 meters


23. Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

___ a) 22.0 meters
___ b) 20.0 meters
___ c) 21.0 meters
___ d) 23.0 meters
___ e) 19.0 meters


24.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
___ a) how a nearsighted person might see a distant object
___ b) how a farsighted person might see an object that is too close for comfort
___ c) how a farsighted person might see a distant object
___ d) how a nearsighted person might see an object that is too close for comfort


25. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

___ a) Ray drawing eye Wrong Answer.svg
___ b) Ray drawing eye schematic alternate.svg
___ c) Ray drawing eye schematic02.svg


26. As the Moon circles Earth, the acceleration of the Moon is

___ a) zero
___ b) in the same direction as the Moon's velocity
___ c) opposite the direction of the Moon's velocity
___ d) towards Earth
___ e) away from Earth


27. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The beats happen so many times per second you can't hear them.
___ b) Reverberation usually stifles the beats
___ c) The note is over by the time the first beat is heard
___ d) Echo usually stifles the beats


28. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

___ a) 16.0 meters
___ b) 17.0 meters
___ c) 20.0 meters
___ d) 18.0 meters
___ e) 19.0 meters


29. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

___ a) northeast
___ b) northwest
___ c) southeast
___ d) northeast
___ e) north


30. Pulse interference 4.svgThese two pulses will collide and produce

___ a) negative diffraction
___ b) positive diffraction
___ c) positive interference
___ d) negative interference


Key to HTW T1 sample-v2s2[edit]

1. What are the units of Plank's constant?

+ a) all of the above
- b) momentum x distance x mass
- c) energy x time
- d) none of the above
- e) mass x velocity


2. Which lens has the shorter focal length?

- a) They have the same focal lengh.
- b) Ray drawing eye schematic01.svg
+ c) Ray drawing eye schematic.svg


3. If you toss a coin into the air, the velocity on the way down is

- a) zero
- b) up
+ c) down


4. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 40
- b) 60
+ c) 20
- d) 30
- e) 50


5. If a source of sound is moving towards you, the pitch becomes

- a) lower
- b) unchanged
+ c) higher


6. In optics, normal means

- a) to the left of the optical axis
- b) to the right of the optical axis
+ c) perpendicular to the surface
- d) parallel to the surface


7. Mr. Smith starts from rest and accelerates to 4 m/s in 5 seconds. How far did he travel?

- a) 8.0 meters
+ b) 10.0 meters
- c) 9.0 meters
- d) 11.0 meters
- e) 7.0 meters


8. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+ a) The difference in path lengths creates more reverberation.
- b) Rough walls make for a louder sound.
- c) The difference in path lengths creates more echo.


9. When light passes from air to glass

- a) the frequency increases
+ b) it bends towards the normal
- c) it does not bend
- d) it bends away from the normal
- e) the frequency decreases


10. Pulse interference 2.svgThese two pulses will collide and produce

- a) negative diffraction
- b) positive diffraction
+ c) negative interference
- d) positive interference


11. A car is traveling east and speeding up. The acceleration is

- a) to the west
- b) zero
+ c) to the east


12. The focal point is where

- a) rays meet if they are parallel to each other
- b) rays meet whenever they pass through a lens
- c) the center of the lens
+ d) rays meet if they were parallel to the optical axis before striking a lens
- e) rays meet whenever they are forming an image


13. The first paper that introduced quantum mechanics was the study of

- a) electrons
+ b) light
- c) energy
- d) protons


14. If you toss a coin into the air, the acceleration on the way down is

- a) up
- b) zero
+ c) down


15. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a lower frequency
- b) the low density rope supports a wave with a higher frequency
- c) the low density rope supports a wave with a lower speed
+ d) the low density rope supports a wave with a higher speed


16. A car is traveling east and slowing down. The acceleration is

- a) zero
- b) to the east
+ c) to the west


17. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The acceleration vector points

- a) north
- b) south
- c) southwest
- d) northwest
+ e) northeast


18. A car is headed due north and increasing its speed. It is also turning right because it is also traveling in a perfect circle. The velocity vector points

- a) south
+ b) north
- c) southwest
- d) northwest
- e) northeast


19. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

- a) 15.0 meters
+ b) 16.0 meters
- c) 17.0 meters
- d) 14.0 meters
- e) 13.0 meters


20. What are examples of energy?

- a) mgh where m is mass, g is gravity, and h is height
- b) heat
- c)
+ d) all of the above


21. What are examples of energy?

- a) heat
+ b) all of the above
- c)
- d) momentum


22. Mr. Smith starts from rest and accelerates to 2 m/s in 3 seconds. How far did he travel?

- a) 4.0 meters
+ b) 3.0 meters
- c) 6.0 meters
- d) 7.0 meters
- e) 5.0 meters


23. Mr. Smith starts at rest and accelerates to a speed of 4 m/s, in 2 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 2 seconds to come to rest. How far did he travel?

- a) 22.0 meters
+ b) 20.0 meters
- c) 21.0 meters
- d) 23.0 meters
- e) 19.0 meters


24.
Lens1b.svg
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
+ a) how a nearsighted person might see a distant object
- b) how a farsighted person might see an object that is too close for comfort
- c) how a farsighted person might see a distant object
- d) how a nearsighted person might see an object that is too close for comfort


25. Ray drawing eye schematic01.svg Mr. Smith is gazing at something as shown in the figure to the left. Suppose he does not refocus, but attempts to stare at the star shown in the figures below. Which diagram depicts how the rays from the star would travel if he does not refocus?

- a) Ray drawing eye Wrong Answer.svg
- b) Ray drawing eye schematic alternate.svg
+ c) Ray drawing eye schematic02.svg


26. As the Moon circles Earth, the acceleration of the Moon is

- a) zero
- b) in the same direction as the Moon's velocity
- c) opposite the direction of the Moon's velocity
+ d) towards Earth
- e) away from Earth


27. Why don't we hear beats when two different notes on a piano are played at the same time?

+ a) The beats happen so many times per second you can't hear them.
- b) Reverberation usually stifles the beats
- c) The note is over by the time the first beat is heard
- d) Echo usually stifles the beats


28. Mr. Smith starts at rest and accelerates to a speed of 2 m/s, in 6 seconds. He then travels at this speed for an additional 3 seconds. Then he decelerates uniformly, taking 4 seconds to come to rest. How far did he travel?

+ a) 16.0 meters
- b) 17.0 meters
- c) 20.0 meters
- d) 18.0 meters
- e) 19.0 meters


29. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- a) northeast
- b) northwest
- c) southeast
- d) northeast
+ e) north


30. Pulse interference 4.svgThese two pulses will collide and produce

- a) negative diffraction
- b) positive diffraction
+ c) positive interference
- d) negative interference


Attribution (for quiz questions) under CC-by-SA license
http://en.wikiversity.org/w/index.php?title=Physics_equations/25-Geometric_Optics/Q:image&oldid=1395836
http://en.wikiversity.org/wiki/How_things_work_college_course/Waves_(Physics_Classroom)
http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Quantum_mechanics_timeline/Quiz&oldid=1396075
http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Motion_simple_arithmetic&oldid=1395847
http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Conceptual_physics_wikiquizzes/Velocity_and_acceleration&oldid=137851
http://en.wikiversity.org/w/index.php?title=Physics_equations/25-Geometric_Optics/Q:vision&oldid=1378615
Study guide
http://en.wikiversity.org/w/index.php?title=Light_and_optics&oldid=1326970
http://en.wikipedia.org/wiki/Optics
http://www.physicsclassroom.com/class/waves
http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Quantum_mechanics_timeline&oldid=1383060
http://en.wikiversity.org/w/index.php?title=Physics_equations/Sheet/All_chapters&oldid=1283423
http://en.wikibooks.org/w/index.php?title=Physics_Study_Guide&oldid=2516212
http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
http://en.wikiversity.org/wiki/Light_and_optics