# User:Guy vandegrift/Quizbank/Archive1/College Physics/II T4

## TrigPhysT4_151021

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### TrigPhysT4_151021-v1s1

1. What are examples of energy?

___ a) ${\displaystyle {\frac {1}{2}}mv}$
___ b) momentum
___ c) heat
___ d) all of the above

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

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

3. An example of a standard candle is

___ a) any part of the nighttime sky that is dark
___ b) all of these are standard candles
___ c) a supernova in a distant galaxy
___ d) any part of the nighttime sky that is giving off light

4. An object is placed 13.7 cm to the left of a diverging lens with a focal length of 17.7 cm. On the side, at a distance of 5.5 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

___a) 5.73 x 10-2 cm
___b) 1.81 x 10-1 cm
___c) 5.73 x 10-1 cm
___d) 1.81 x 100 cm
___e) 5.73 x 100 cm

5. The law of reflection applies to

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

6. What was Plank's understanding of the significance of his work on blackbody radiation?

___ a) he knew it would someday win him a Nobel prize
___ b) the thought it was some sort of mathematical trick
___ c) he was afraid to publish it for fear of losing his reputation
___ d) he eventually convinced his dissertation committee that the theory was correct

7. 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)
___ b)
___ c)

8. In the photoelectric effect, how was the maximum kinetic energy measured?

___ a) by measuring the distance between the electrodes
___ b) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
___ c) by measuring the wavelength of the light

9. When light passes from glass to air

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

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

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

11. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 350km/s
___ b) 1400km/s
___ c) 700km/s

12. Which lens has the shorter focal length?

___ a) They have the same focal lengh.
___ b)
___ c)

13.
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

14. How would you describe Old Quantum Theory

___ a) neither complete nor self-consistent
___ b) complete and self-consistent
___ c) self-consistent but not complete
___ d) complete but not self-consistent

15. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?

___ a) they are not receding away from us
___ b) they all have nearly the same speed
___ c) they have a wide variety of speeds
___ d) the cluster is close to us

#### Key to TrigPhysT4_151021-v1s1

1. What are examples of energy?

- a) ${\displaystyle {\frac {1}{2}}mv}$
- b) momentum
- c) heat
+ d) all of the above

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

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

3. An example of a standard candle is

- a) any part of the nighttime sky that is dark
- b) all of these are standard candles
+ c) a supernova in a distant galaxy
- d) any part of the nighttime sky that is giving off light

4. An object is placed 13.7 cm to the left of a diverging lens with a focal length of 17.7 cm. On the side, at a distance of 5.5 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

-a) 5.73 x 10-2 cm
-b) 1.81 x 10-1 cm
-c) 5.73 x 10-1 cm
-d) 1.81 x 100 cm
+e) 5.73 x 100 cm

5. The law of reflection applies to

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

6. What was Plank's understanding of the significance of his work on blackbody radiation?

- a) he knew it would someday win him a Nobel prize
+ b) the thought it was some sort of mathematical trick
- c) he was afraid to publish it for fear of losing his reputation
- d) he eventually convinced his dissertation committee that the theory was correct

7. 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)
+ b)
- c)

8. In the photoelectric effect, how was the maximum kinetic energy measured?

- a) by measuring the distance between the electrodes
+ b) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
- c) by measuring the wavelength of the light

9. When light passes from glass to air

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

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

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

11. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

- a) 350km/s
+ b) 1400km/s
- c) 700km/s

12. Which lens has the shorter focal length?

- a) They have the same focal lengh.
+ b)
- c)

13.
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

14. How would you describe Old Quantum Theory

+ a) neither complete nor self-consistent
- b) complete and self-consistent
- c) self-consistent but not complete
- d) complete but not self-consistent

15. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?

- a) they are not receding away from us
- b) they all have nearly the same speed
+ c) they have a wide variety of speeds
- d) the cluster is close to us

### TrigPhysT4_151021-v2s1

1. How would you describe Old Quantum Theory

___ a) complete but not self-consistent
___ b) neither complete nor self-consistent
___ c) self-consistent but not complete
___ d) complete and self-consistent

2. In the photoelectric effect, how was the maximum kinetic energy measured?

___ a) by measuring the wavelength of the light
___ b) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
___ c) by measuring the distance between the electrodes

3. An example of a standard candle is

___ a) a supernova in a distant galaxy
___ b) any part of the nighttime sky that is dark
___ c) all of these are standard candles
___ d) any part of the nighttime sky that is giving off light

4. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?

___ a) they all have nearly the same speed
___ b) they are not receding away from us
___ c) they have a wide variety of speeds
___ d) the cluster is close to us

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

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

6. 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)
___ b)
___ c)

7.
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 a distant object
___ c) how a farsighted person might see an object that is too close for comfort
___ d) how a nearsighted person might see an object that is too close for comfort

8. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 700km/s
___ b) 350km/s
___ c) 1400km/s

9. What was Plank's understanding of the significance of his work on blackbody radiation?

___ a) he was afraid to publish it for fear of losing his reputation
___ b) he knew it would someday win him a Nobel prize
___ c) he eventually convinced his dissertation committee that the theory was correct
___ d) the thought it was some sort of mathematical trick

10. What are examples of energy?

___ a) momentum
___ b) ${\displaystyle {\frac {1}{2}}mv}$
___ c) heat
___ d) all of the above

11. The law of reflection applies to

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

12. Which lens has the shorter focal length?

___ a) They have the same focal lengh.
___ b)
___ c)

13. When light passes from glass to air

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

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

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

15. An object is placed 12.1 cm to the left of a diverging lens with a focal length of 16.9 cm. On the side, at a distance of 6.7 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

___a) 5.64 x 100 cm
___b) 1.78 x 101 cm
___c) 5.64 x 101 cm
___d) 1.78 x 102 cm
___e) 5.64 x 102 cm

#### Key to TrigPhysT4_151021-v2s1

1. How would you describe Old Quantum Theory

- a) complete but not self-consistent
+ b) neither complete nor self-consistent
- c) self-consistent but not complete
- d) complete and self-consistent

2. In the photoelectric effect, how was the maximum kinetic energy measured?

- a) by measuring the wavelength of the light
+ b) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
- c) by measuring the distance between the electrodes

3. An example of a standard candle is

+ a) a supernova in a distant galaxy
- b) any part of the nighttime sky that is dark
- c) all of these are standard candles
- d) any part of the nighttime sky that is giving off light

4. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?

- a) they all have nearly the same speed
- b) they are not receding away from us
+ c) they have a wide variety of speeds
- d) the cluster is close to us

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

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

6. 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)
- b)
+ c)

7.
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 a distant object
- c) how a farsighted person might see an object that is too close for comfort
- d) how a nearsighted person might see an object that is too close for comfort

8. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

- a) 700km/s
- b) 350km/s
+ c) 1400km/s

9. What was Plank's understanding of the significance of his work on blackbody radiation?

- a) he was afraid to publish it for fear of losing his reputation
- b) he knew it would someday win him a Nobel prize
- c) he eventually convinced his dissertation committee that the theory was correct
+ d) the thought it was some sort of mathematical trick

10. What are examples of energy?

- a) momentum
- b) ${\displaystyle {\frac {1}{2}}mv}$
- c) heat
+ d) all of the above

11. The law of reflection applies to

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

12. Which lens has the shorter focal length?

- a) They have the same focal lengh.
- b)
+ c)

13. When light passes from glass to air

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

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

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

15. An object is placed 12.1 cm to the left of a diverging lens with a focal length of 16.9 cm. On the side, at a distance of 6.7 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

+a) 5.64 x 100 cm
-b) 1.78 x 101 cm
-c) 5.64 x 101 cm
-d) 1.78 x 102 cm
-e) 5.64 x 102 cm

### TrigPhysT4_151021-v1s2

1. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

___ a) true
___ b) false

2. An object is placed 13.2 cm to the left of a diverging lens with a focal length of 17.1 cm. On the side, at a distance of 5.1 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

___a) 1.86 x 10-1 cm
___b) 5.87 x 10-1 cm
___c) 1.86 x 100 cm
___d) 5.87 x 100 cm
___e) 1.86 x 101 cm

3. The "apparent" magnitude of a star is

___ a) How bright it would be if it were not receding due to Hubble expansion
___ b) How bright it would be if you were exactly one light year away
___ c) How bright it is as viewed from Earth

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

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

5. When light passes from air to glass

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

6. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

___ a) Yes, that is an actively pursued hypothesis
___ b) No, there are clouds, but they remain too cold to resolve the paradox
___ c) No, if there were clouds, we wouldn't see the distant galaxies
___ d) No, the clouds would get hot

7. What was "spooky" about Taylor's 1909 experiment with wave interference?

___ a) The interference pattern mysteriously disappeared.
___ b) The light was so dim that only one photon at a time was near the slits.
___ c) The light was dim, but it didn't matter because he was blind.
___ d) The light was so dim that the photoelectric effect couldn't occur

8.
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
___ a) how a nearsighted person might see an object that is too close for comfort
___ b) how a farsighted person might see a distant object
___ c) how a nearsighted person might see a distant object
___ d) how a farsighted person might see an object that is too close for comfort

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

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

10. In the photoelectric effect, how was the maximum kinetic energy measured?

___ a) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
___ b) by measuring the distance between the electrodes
___ c) by measuring the wavelength of the light

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

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

12. In optics, normal means

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

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

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

14. Which lens has the shorter focal length?

___ a)
___ b) They have the same focal lengh.
___ c)

15. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 1400km/s
___ b) 350km/s
___ c) 700km/s

#### Key to TrigPhysT4_151021-v1s2

1. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

- a) true
+ b) false

2. An object is placed 13.2 cm to the left of a diverging lens with a focal length of 17.1 cm. On the side, at a distance of 5.1 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

-a) 1.86 x 10-1 cm
-b) 5.87 x 10-1 cm
-c) 1.86 x 100 cm
+d) 5.87 x 100 cm
-e) 1.86 x 101 cm

3. The "apparent" magnitude of a star is

- a) How bright it would be if it were not receding due to Hubble expansion
- b) How bright it would be if you were exactly one light year away
+ c) How bright it is as viewed from Earth

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

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

5. When light passes from air to glass

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

6. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

- a) Yes, that is an actively pursued hypothesis
- b) No, there are clouds, but they remain too cold to resolve the paradox
- c) No, if there were clouds, we wouldn't see the distant galaxies
+ d) No, the clouds would get hot

7. What was "spooky" about Taylor's 1909 experiment with wave interference?

- a) The interference pattern mysteriously disappeared.
+ b) The light was so dim that only one photon at a time was near the slits.
- c) The light was dim, but it didn't matter because he was blind.
- d) The light was so dim that the photoelectric effect couldn't occur

8.
Shown is a corrective lens by a person who needs glasses. This ray diagram illustrates
- a) how a nearsighted person might see an object that is too close for comfort
- b) how a farsighted person might see a distant object
+ c) how a nearsighted person might see a distant object
- d) how a farsighted person might see an object that is too close for comfort

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

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

10. In the photoelectric effect, how was the maximum kinetic energy measured?

+ a) by measuring the voltage required to prevent the electrons from passing between the two electrodes.
- b) by measuring the distance between the electrodes
- c) by measuring the wavelength of the light

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

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

12. In optics, normal means

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

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

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

14. Which lens has the shorter focal length?

- a)
- b) They have the same focal lengh.
+ c)

15. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

+ a) 1400km/s
- b) 350km/s
- c) 700km/s

### TrigPhysT4_151021-v2s2

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

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

2. In optics, normal means

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

3. What was "spooky" about Taylor's 1909 experiment with wave interference?

___ a) The light was dim, but it didn't matter because he was blind.
___ b) The light was so dim that the photoelectric effect couldn't occur
___ c) The interference pattern mysteriously disappeared.
___ d) The light was so dim that only one photon at a time was near the slits.

4. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

___ a) true
___ b) false

5. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

___ a) No, the clouds would get hot
___ b) No, if there were clouds, we wouldn't see the distant galaxies
___ c) No, there are clouds, but they remain too cold to resolve the paradox
___ d) Yes, that is an actively pursued hypothesis

6. The "apparent" magnitude of a star is

___ a) How bright it would be if it were not receding due to Hubble expansion
___ b) How bright it would be if you were exactly one light year away
___ c) How bright it is as viewed from Earth

7. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 700km/s
___ b) 1400km/s
___ c) 350km/s

8. An object is placed 10.2 cm to the left of a diverging lens with a focal length of 16.6 cm. On the side, at a distance of 5.6 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

___a) 6.02 x 10-1 cm
___b) 1.9 x 100 cm
___c) 6.02 x 100 cm
___d) 1.9 x 101 cm
___e) 6.02 x 101 cm

9. In the photoelectric effect, how was the maximum kinetic energy measured?

___ a) by measuring the wavelength of the light
___ b) by measuring the distance between the electrodes
___ c) by measuring the voltage required to prevent the electrons from passing between the two electrodes.

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

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

11. Which lens has the shorter focal length?

___ a) They have the same focal lengh.
___ b)
___ c)

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

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

13. When light passes from air to glass

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

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

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

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

#### Key to TrigPhysT4_151021-v2s2

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

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

2. In optics, normal means

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

3. What was "spooky" about Taylor's 1909 experiment with wave interference?

- a) The light was dim, but it didn't matter because he was blind.
- b) The light was so dim that the photoelectric effect couldn't occur
- c) The interference pattern mysteriously disappeared.
+ d) The light was so dim that only one photon at a time was near the slits.

4. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

- a) true
+ b) false

5. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

+ a) No, the clouds would get hot
- b) No, if there were clouds, we wouldn't see the distant galaxies
- c) No, there are clouds, but they remain too cold to resolve the paradox
- d) Yes, that is an actively pursued hypothesis

6. The "apparent" magnitude of a star is

- a) How bright it would be if it were not receding due to Hubble expansion
- b) How bright it would be if you were exactly one light year away
+ c) How bright it is as viewed from Earth

7. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

- a) 700km/s
+ b) 1400km/s
- c) 350km/s

8. An object is placed 10.2 cm to the left of a diverging lens with a focal length of 16.6 cm. On the side, at a distance of 5.6 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?

-a) 6.02 x 10-1 cm
-b) 1.9 x 100 cm
+c) 6.02 x 100 cm
-d) 1.9 x 101 cm
-e) 6.02 x 101 cm

9. In the photoelectric effect, how was the maximum kinetic energy measured?

- a) by measuring the wavelength of the light
- b) by measuring the distance between the electrodes
+ c) by measuring the voltage required to prevent the electrons from passing between the two electrodes.

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

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

11. Which lens has the shorter focal length?

- a) They have the same focal lengh.
- b)
+ c)

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

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

13. When light passes from air to glass

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

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

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

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

### TrigPhysT4_151021-v1s3

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

2. Which lens has the shorter focal length?

___ a)
___ b) They have the same focal lengh.
___ c)

3. The focal point is where

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

4. What are examples of energy?

___ a) mgh where m is mass, g is gravity, and h is height
___ b) all of the above
___ c) heat
___ d) ${\displaystyle {\frac {1}{2}}mv^{2}}$

5. The "apparent" magnitude of a star is

___ a) How bright it would be if you were exactly one light year away
___ b) How bright it is as viewed from Earth
___ c) How bright it would be if it were not receding due to Hubble expansion

6. If the electron behaved as a classical (non-quantum) particle and the electron was somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

___ a) above a threshold intensity
___ b) above a threshold wavelength
___ c) at a specific frequency
___ d) above a thresholdfrequency

7. When light passes from glass to air

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

8. In optics, normal means

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

9. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?

___a) 1.36 x 10-1 cm
___b) 1.63 x 10-1 cm
___c) 1.96 x 10-1 cm
___d) 2.35 x 10-1 cm
___e) 2.82 x 10-1 cm

10. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

___ a) true
___ b) false

11. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 1400km/s
___ b) 700km/s
___ c) 350km/s

12.
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 nearsighted person might see a distant object
___ d) how a farsighted person might see an object that is too close for comfort

13. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

___ a) Yes, that is an actively pursued hypothesis
___ b) No, there are clouds, but they remain too cold to resolve the paradox
___ c) No, the clouds would get hot
___ d) No, if there were clouds, we wouldn't see the distant galaxies

14. What are examples of energy?

___ a) all of the above
___ b) momentum
___ c) ${\displaystyle {\frac {1}{2}}mv}$
___ d) heat

15. What was "spooky" about Taylor's 1909 experiment with wave interference?

___ a) The light was dim, but it didn't matter because he was blind.
___ b) The light was so dim that only one photon at a time was near the slits.
___ c) The interference pattern mysteriously disappeared.
___ d) The light was so dim that the photoelectric effect couldn't occur

#### Key to TrigPhysT4_151021-v1s3

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

2. Which lens has the shorter focal length?

+ a)
- b) They have the same focal lengh.
- c)

3. The focal point is where

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

4. What are examples of energy?

- a) mgh where m is mass, g is gravity, and h is height
+ b) all of the above
- c) heat
- d) ${\displaystyle {\frac {1}{2}}mv^{2}}$

5. The "apparent" magnitude of a star is

- a) How bright it would be if you were exactly one light year away
+ b) How bright it is as viewed from Earth
- c) How bright it would be if it were not receding due to Hubble expansion

6. If the electron behaved as a classical (non-quantum) particle and the electron was somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

- a) above a threshold intensity
- b) above a threshold wavelength
+ c) at a specific frequency
- d) above a thresholdfrequency

7. When light passes from glass to air

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

8. In optics, normal means

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

9. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?

-a) 1.36 x 10-1 cm
-b) 1.63 x 10-1 cm
-c) 1.96 x 10-1 cm
+d) 2.35 x 10-1 cm
-e) 2.82 x 10-1 cm

10. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

- a) true
+ b) false

11. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

+ a) 1400km/s
- b) 700km/s
- c) 350km/s

12.
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 nearsighted person might see a distant object
+ d) how a farsighted person might see an object that is too close for comfort

13. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

- a) Yes, that is an actively pursued hypothesis
- b) No, there are clouds, but they remain too cold to resolve the paradox
+ c) No, the clouds would get hot
- d) No, if there were clouds, we wouldn't see the distant galaxies

14. What are examples of energy?

+ a) all of the above
- b) momentum
- c) ${\displaystyle {\frac {1}{2}}mv}$
- d) heat

15. What was "spooky" about Taylor's 1909 experiment with wave interference?

- a) The light was dim, but it didn't matter because he was blind.
+ b) The light was so dim that only one photon at a time was near the slits.
- c) The interference pattern mysteriously disappeared.
- d) The light was so dim that the photoelectric effect couldn't occur

### TrigPhysT4_151021-v2s3

1. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

___ a) No, the clouds would get hot
___ b) No, if there were clouds, we wouldn't see the distant galaxies
___ c) Yes, that is an actively pursued hypothesis
___ d) No, there are clouds, but they remain too cold to resolve the paradox

2. What was "spooky" about Taylor's 1909 experiment with wave interference?

___ a) The interference pattern mysteriously disappeared.
___ b) The light was dim, but it didn't matter because he was blind.
___ c) The light was so dim that the photoelectric effect couldn't occur
___ d) The light was so dim that only one photon at a time was near the slits.

3. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?

___a) 1.36 x 10-1 cm
___b) 1.63 x 10-1 cm
___c) 1.96 x 10-1 cm
___d) 2.35 x 10-1 cm
___e) 2.82 x 10-1 cm

4. 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) high speed
___ d) low speed

5. If the electron behaved as a classical (non-quantum) particle and the electron was somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

___ a) above a threshold intensity
___ b) at a specific frequency
___ c) above a threshold wavelength
___ d) above a thresholdfrequency

6. What are examples of energy?

___ a) heat
___ b) all of the above
___ c) ${\displaystyle {\frac {1}{2}}mv}$
___ d) momentum

7.
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 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 an object that is too close for comfort

8. When light passes from glass to air

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

9. Which lens has the shorter focal length?

___ a) They have the same focal lengh.
___ b)
___ c)

10. In optics, normal means

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

11. The "apparent" magnitude of a star is

___ a) How bright it would be if it were not receding due to Hubble expansion
___ b) How bright it would be if you were exactly one light year away
___ c) How bright it is as viewed from Earth

12. The focal point is where

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

13. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

___ a) true
___ b) false

14. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

___ a) 350km/s
___ b) 1400km/s
___ c) 700km/s

15. What are examples of energy?

___ a) ${\displaystyle {\frac {1}{2}}mv^{2}}$
___ b) heat
___ c) all of the above
___ d) mgh where m is mass, g is gravity, and h is height

#### Key to TrigPhysT4_151021-v2s3

1. What if clouds of dust blocked the light from distant stars? Could that allow for an infinite and static universe?

+ a) No, the clouds would get hot
- b) No, if there were clouds, we wouldn't see the distant galaxies
- c) Yes, that is an actively pursued hypothesis
- d) No, there are clouds, but they remain too cold to resolve the paradox

2. What was "spooky" about Taylor's 1909 experiment with wave interference?

- a) The interference pattern mysteriously disappeared.
- b) The light was dim, but it didn't matter because he was blind.
- c) The light was so dim that the photoelectric effect couldn't occur
+ d) The light was so dim that only one photon at a time was near the slits.

3. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?

-a) 1.36 x 10-1 cm
-b) 1.63 x 10-1 cm
-c) 1.96 x 10-1 cm
+d) 2.35 x 10-1 cm
-e) 2.82 x 10-1 cm

4. 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) high speed
- d) low speed

5. If the electron behaved as a classical (non-quantum) particle and the electron was somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

- a) above a threshold intensity
+ b) at a specific frequency
- c) above a threshold wavelength
- d) above a thresholdfrequency

6. What are examples of energy?

- a) heat
+ b) all of the above
- c) ${\displaystyle {\frac {1}{2}}mv}$
- d) momentum

7.
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 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 an object that is too close for comfort

8. When light passes from glass to air

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

9. Which lens has the shorter focal length?

- a) They have the same focal lengh.
- b)
+ c)

10. In optics, normal means

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

11. The "apparent" magnitude of a star is

- a) How bright it would be if it were not receding due to Hubble expansion
- b) How bright it would be if you were exactly one light year away
+ c) How bright it is as viewed from Earth

12. The focal point is where

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

13. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.

- a) true
+ b) false

14. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?

- a) 350km/s
+ b) 1400km/s
- c) 700km/s

15. What are examples of energy?

- a) ${\displaystyle {\frac {1}{2}}mv^{2}}$
- b) heat
+ c) all of the above
- d) mgh where m is mass, g is gravity, and h is height