# User:Guy vandegrift/Quizbank/Archive1/College Physics/II T1

## Contents

## TrigPhysT1_151021[edit]

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- 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.
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- 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.

### TrigPhysT1_151021-v1s1[edit]

1. What is the speed of a transverse wave on a string if the string is 0.45 m long, clamped at both ends, and harmonic number 4 has a frequency of 996 Hz?

- ___a) 1.53 x 10
^{2}unit

- ___b) 1.85 x 10
^{2}unit

- ___c) 2.24 x 10
^{2}unit

- ___d) 2.72 x 10
^{2}unit

- ___e) 3.29 x 10
^{2}unit

3. A 0.047 kg mass is on a spring that causes the frequency of oscillation to be 26 cycles per second. The maximum velocity is 90.5 m/s. What is the maximum force on the mass?

- ___a) 1.5 x 10
^{2}N

- ___b) 3.2 x 10
^{2}N

- ___c) 6.9 x 10
^{2}N

- ___d) 1.5 x 10
^{3}N

- ___e) 3.2 x 10
^{3}N

4. A spring with spring constant 1.7 kN/m undergoes simple harmonic motion with a frequency of 3.9 kHz. The maximum force is 8.6 N. What is the total energy?

- ___a) 2.18 x 10
^{-4}J

- ___b) 6.88 x 10
^{-4}J

- ___c) 2.18 x 10
^{-3}J

- ___d) 6.88 x 10
^{-3}J

- ___e) 2.18 x 10
^{-2}J

6. 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 gets longer

- ___ c) the wavelength stays the same

7. These two pulses will collide and produce

- ___ a) positive interference

- ___ b) negative diffraction

- ___ c) negative interference

- ___ d) positive diffraction

8. 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) 30

- ___ b) 20

- ___ c) 50

- ___ d) 60

- ___ e) 40

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

- ___ a) has lower amplitude than the incident wave

- ___ b) both of these are true

- ___ c) has higher frequency than the incident wave

10. While standing 0.58 km from a cliff, you measure the echo time to be 3.38 seconds. What is the temperature?

- ___a) 1.53 x 10
^{1}Celsius

- ___b) 1.76 x 10
^{1}Celsius

- ___c) 2.03 x 10
^{1}Celsius

- ___d) 2.35 x 10
^{1}Celsius

- ___e) 2.71 x 10
^{1}Celsius

11. These two pulses will collide and produce

- ___ a) positive diffraction

- ___ b) negative interference

- ___ c) negative diffraction

- ___ d) positive interference

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

- ___ a) Reverberation usually stifles the beats

- ___ b) Echo usually stifles the beats

- ___ c) The note is over by the time the first beat is heard

- ___ d) The beats happen so many times per second you can't hear them.

13. 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.

14. A spring of spring constant 8.7 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 7.1 mm. What is the maximum kinetic energy?

- ___a) 2.19 x 10
^{-1}J

- ___b) 6.93 x 10
^{-1}J

- ___c) 2.19 x 10
^{0}J

- ___d) 6.93 x 10
^{0}J

- ___e) 2.19 x 10
^{1}J

15. Comparing a typical church to a professional baseball stadium, the church is likely to have

- ___ a) both reverberation and echo

- ___ b) neither reverberation nor echo

- ___ c) echo instead of reverberation

- ___ d) reverberation instead of echo

#### Key to TrigPhysT1_151021-v1s1[edit]

1. What is the speed of a transverse wave on a string if the string is 0.45 m long, clamped at both ends, and harmonic number 4 has a frequency of 996 Hz?

- -a) 1.53 x 10
^{2}unit

- -a) 1.53 x 10

- -b) 1.85 x 10
^{2}unit

- -b) 1.85 x 10

- +c) 2.24 x 10
^{2}unit

- +c) 2.24 x 10

- -d) 2.72 x 10
^{2}unit

- -d) 2.72 x 10

- -e) 3.29 x 10
^{2}unit

- -e) 3.29 x 10

3. A 0.047 kg mass is on a spring that causes the frequency of oscillation to be 26 cycles per second. The maximum velocity is 90.5 m/s. What is the maximum force on the mass?

- -a) 1.5 x 10
^{2}N

- -a) 1.5 x 10

- -b) 3.2 x 10
^{2}N

- -b) 3.2 x 10

- +c) 6.9 x 10
^{2}N

- +c) 6.9 x 10

- -d) 1.5 x 10
^{3}N

- -d) 1.5 x 10

- -e) 3.2 x 10
^{3}N

- -e) 3.2 x 10

4. A spring with spring constant 1.7 kN/m undergoes simple harmonic motion with a frequency of 3.9 kHz. The maximum force is 8.6 N. What is the total energy?

- -a) 2.18 x 10
^{-4}J

- -a) 2.18 x 10

- -b) 6.88 x 10
^{-4}J

- -b) 6.88 x 10

- -c) 2.18 x 10
^{-3}J

- -c) 2.18 x 10

- -d) 6.88 x 10
^{-3}J

- -d) 6.88 x 10

- +e) 2.18 x 10
^{-2}J

- +e) 2.18 x 10

6. 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 gets longer

- - c) the wavelength stays the same

7. These two pulses will collide and produce

- + a) positive interference

- - b) negative diffraction

- - c) negative interference

- - d) positive diffraction

8. 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) 30

- + b) 20

- - c) 50

- - d) 60

- - e) 40

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

- + a) has lower amplitude than the incident wave

- - b) both of these are true

- - c) has higher frequency than the incident wave

10. While standing 0.58 km from a cliff, you measure the echo time to be 3.38 seconds. What is the temperature?

- -a) 1.53 x 10
^{1}Celsius

- -a) 1.53 x 10

- -b) 1.76 x 10
^{1}Celsius

- -b) 1.76 x 10

- +c) 2.03 x 10
^{1}Celsius

- +c) 2.03 x 10

- -d) 2.35 x 10
^{1}Celsius

- -d) 2.35 x 10

- -e) 2.71 x 10
^{1}Celsius

- -e) 2.71 x 10

11. These two pulses will collide and produce

- - a) positive diffraction

- - b) negative interference

- - c) negative diffraction

- + d) positive interference

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

- - a) Reverberation usually stifles the beats

- - b) Echo usually stifles the beats

- - c) The note is over by the time the first beat is heard

- + d) The beats happen so many times per second you can't hear them.

13. 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.

14. A spring of spring constant 8.7 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 7.1 mm. What is the maximum kinetic energy?

- +a) 2.19 x 10
^{-1}J

- +a) 2.19 x 10

- -b) 6.93 x 10
^{-1}J

- -b) 6.93 x 10

- -c) 2.19 x 10
^{0}J

- -c) 2.19 x 10

- -d) 6.93 x 10
^{0}J

- -d) 6.93 x 10

- -e) 2.19 x 10
^{1}J

- -e) 2.19 x 10

15. Comparing a typical church to a professional baseball stadium, the church is likely to have

- - a) both reverberation and echo

- - b) neither reverberation nor echo

- - c) echo instead of reverberation

- + d) reverberation instead of echo

### TrigPhysT1_151021-v2s1[edit]

1. While standing 0.94 km from a cliff, you measure the echo time to be 5.522 seconds. What is the temperature?

- ___a) 1.57 x 10
^{1}Celsius

- ___b) 1.81 x 10
^{1}Celsius

- ___c) 2.09 x 10
^{1}Celsius

- ___d) 2.41 x 10
^{1}Celsius

- ___e) 2.79 x 10
^{1}Celsius

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) 30

- ___ b) 60

- ___ c) 50

- ___ d) 40

- ___ e) 20

3. Comparing a typical church to a professional baseball stadium, the church is likely to have

- ___ a) echo instead of reverberation

- ___ b) reverberation instead of echo

- ___ c) neither reverberation nor echo

- ___ d) both reverberation and echo

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

- ___ a) Echo usually stifles the beats

- ___ b) Reverberation usually stifles the beats

- ___ c) The beats happen so many times per second you can't hear them.

- ___ d) The note is over by the time the first beat is heard

5. A spring with spring constant 2.7 kN/m undergoes simple harmonic motion with a frequency of 3.1 kHz. The maximum force is 6.3 N. What is the total energy?

- ___a) 2.32 x 10
^{-3}J

- ___b) 7.35 x 10
^{-3}J

- ___c) 2.32 x 10
^{-2}J

- ___d) 7.35 x 10
^{-2}J

- ___e) 2.32 x 10
^{-1}J

6. These two pulses will collide and produce

- ___ a) negative diffraction

- ___ b) negative interference

- ___ c) positive diffraction

- ___ d) positive interference

7. 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 longer

- ___ c) the wavelength gets shorter

8. A 0.062 kg mass is on a spring that causes the frequency of oscillation to be 65 cycles per second. The maximum velocity is 70.2 m/s. What is the maximum force on the mass?

- ___a) 1.8 x 10
^{3}N

- ___b) 3.8 x 10
^{3}N

- ___c) 8.3 x 10
^{3}N

- ___d) 1.8 x 10
^{4}N

- ___e) 3.8 x 10
^{4}N

10. A spring of spring constant 8.7 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 7.1 mm. What is the maximum kinetic energy?

- ___a) 2.19 x 10
^{-1}J

- ___b) 6.93 x 10
^{-1}J

- ___c) 2.19 x 10
^{0}J

- ___d) 6.93 x 10
^{0}J

- ___e) 2.19 x 10
^{1}J

12. 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

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

- ___ a) Rough walls make for a louder sound.

- ___ b) The difference in path lengths creates more reverberation.

- ___ c) The difference in path lengths creates more echo.

14. What is the speed of a transverse wave on a string if the string is 1.19 m long, clamped at both ends, and harmonic number 6 has a frequency of 834 Hz?

- ___a) 2.25 x 10
^{2}unit

- ___b) 2.73 x 10
^{2}unit

- ___c) 3.31 x 10
^{2}unit

- ___d) 4.01 x 10
^{2}unit

- ___e) 4.86 x 10
^{2}unit

15. These two pulses will collide and produce

- ___ a) positive diffraction

- ___ b) positive interference

- ___ c) negative diffraction

- ___ d) negative interference

#### Key to TrigPhysT1_151021-v2s1[edit]

1. While standing 0.94 km from a cliff, you measure the echo time to be 5.522 seconds. What is the temperature?

- +a) 1.57 x 10
^{1}Celsius

- +a) 1.57 x 10

- -b) 1.81 x 10
^{1}Celsius

- -b) 1.81 x 10

- -c) 2.09 x 10
^{1}Celsius

- -c) 2.09 x 10

- -d) 2.41 x 10
^{1}Celsius

- -d) 2.41 x 10

- -e) 2.79 x 10
^{1}Celsius

- -e) 2.79 x 10

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) 30

- - b) 60

- - c) 50

- - d) 40

- + e) 20

3. Comparing a typical church to a professional baseball stadium, the church is likely to have

- - a) echo instead of reverberation

- + b) reverberation instead of echo

- - c) neither reverberation nor echo

- - d) both reverberation and echo

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

- - a) Echo usually stifles the beats

- - b) Reverberation usually stifles the beats

- + c) The beats happen so many times per second you can't hear them.

- - d) The note is over by the time the first beat is heard

5. A spring with spring constant 2.7 kN/m undergoes simple harmonic motion with a frequency of 3.1 kHz. The maximum force is 6.3 N. What is the total energy?

- -a) 2.32 x 10
^{-3}J

- -a) 2.32 x 10

- +b) 7.35 x 10
^{-3}J

- +b) 7.35 x 10

- -c) 2.32 x 10
^{-2}J

- -c) 2.32 x 10

- -d) 7.35 x 10
^{-2}J

- -d) 7.35 x 10

- -e) 2.32 x 10
^{-1}J

- -e) 2.32 x 10

6. These two pulses will collide and produce

- - a) negative diffraction

- - b) negative interference

- - c) positive diffraction

- + d) positive interference

7. 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 longer

- - c) the wavelength gets shorter

8. A 0.062 kg mass is on a spring that causes the frequency of oscillation to be 65 cycles per second. The maximum velocity is 70.2 m/s. What is the maximum force on the mass?

- +a) 1.8 x 10
^{3}N

- +a) 1.8 x 10

- -b) 3.8 x 10
^{3}N

- -b) 3.8 x 10

- -c) 8.3 x 10
^{3}N

- -c) 8.3 x 10

- -d) 1.8 x 10
^{4}N

- -d) 1.8 x 10

- -e) 3.8 x 10
^{4}N

- -e) 3.8 x 10

10. A spring of spring constant 8.7 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 7.1 mm. What is the maximum kinetic energy?

- +a) 2.19 x 10
^{-1}J

- +a) 2.19 x 10

- -b) 6.93 x 10
^{-1}J

- -b) 6.93 x 10

- -c) 2.19 x 10
^{0}J

- -c) 2.19 x 10

- -d) 6.93 x 10
^{0}J

- -d) 6.93 x 10

- -e) 2.19 x 10
^{1}J

- -e) 2.19 x 10

12. 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

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

- - a) Rough walls make for a louder sound.

- + b) The difference in path lengths creates more reverberation.

- - c) The difference in path lengths creates more echo.

14. What is the speed of a transverse wave on a string if the string is 1.19 m long, clamped at both ends, and harmonic number 6 has a frequency of 834 Hz?

- -a) 2.25 x 10
^{2}unit

- -a) 2.25 x 10

- -b) 2.73 x 10
^{2}unit

- -b) 2.73 x 10

- +c) 3.31 x 10
^{2}unit

- +c) 3.31 x 10

- -d) 4.01 x 10
^{2}unit

- -d) 4.01 x 10

- -e) 4.86 x 10
^{2}unit

- -e) 4.86 x 10

15. These two pulses will collide and produce

- - a) positive diffraction

- + b) positive interference

- - c) negative diffraction

- - d) negative interference

### TrigPhysT1_151021-v1s2[edit]

1. A spring of spring constant 2.9 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 3.8 mm. What is the maximum kinetic energy?

- ___a) 2.09 x 10
^{-3}J

- ___b) 6.62 x 10
^{-3}J

- ___c) 2.09 x 10
^{-2}J

- ___d) 6.62 x 10
^{-2}J

- ___e) 2.09 x 10
^{-1}J

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

- ___ a) both of these are true

- ___ b) has lower amplitude than the incident wave

- ___ c) has higher frequency than the incident wave

4. 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.

5. 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

6. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- ___a) 4.8 x 10
^{-7}m

- ___b) 1.52 x 10
^{-6}m

- ___c) 4.8 x 10
^{-6}m

- ___d) 1.52 x 10
^{-5}m

- ___e) 4.8 x 10
^{-5}m

7. While standing 0.76 km from a cliff, you measure the echo time to be 4.339 seconds. What is the temperature?

- ___a) 2.83 x 10
^{1}Celsius

- ___b) 3.26 x 10
^{1}Celsius

- ___c) 3.77 x 10
^{1}Celsius

- ___d) 4.35 x 10
^{1}Celsius

- ___e) 5.03 x 10
^{1}Celsius

8. 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 speed

- ___ b) the low density rope supports a wave with a lower frequency

- ___ c) the low density rope supports a wave with a higher frequency

- ___ d) the low density rope supports a wave with a lower speed

9. The temperature is -3 degrees Celsius, and you are standing 0.66 km from a cliff. What is the echo time?

- ___a) 2.949 x 10
^{0}seconds

- ___b) 3.184 x 10
^{0}seconds

- ___c) 3.438 x 10
^{0}seconds

- ___d) 3.713 x 10
^{0}seconds

- ___e) 4.009 x 10
^{0}seconds

10. These two pulses will collide and produce

- ___ a) negative diffraction

- ___ b) positive diffraction

- ___ c) negative interference

- ___ d) positive interference

11. If you start moving towards a source of sound, the pitch becomes

- ___ a) unchanged

- ___ b) higher

- ___ c) lower

12. A spring with spring constant 2.8 kN/m undergoes simple harmonic motion with a frequency of 8.5 kHz. The maximum force is 8.2 N. What is the total energy?

- ___a) 1.2 x 10
^{-2}J

- ___b) 3.8 x 10
^{-2}J

- ___c) 1.2 x 10
^{-1}J

- ___d) 3.8 x 10
^{-1}J

- ___e) 1.2 x 10
^{0}J

13. People don't usually perceive an echo when

- ___ a) it takes more than a tenth of a second after the original sound to arrive

- ___ b) it arrives at a higher pitch

- ___ c) it arrives at exactly the same pitch

- ___ d) it arrives less than a tenth of a second after the original sound

- ___ e) it arrives at a lower pitch

15. Comparing a typical church to a professional baseball stadium, the church is likely to have

- ___ a) neither reverberation nor echo

- ___ b) both reverberation and echo

- ___ c) reverberation instead of echo

- ___ d) echo instead of reverberation

#### Key to TrigPhysT1_151021-v1s2[edit]

1. A spring of spring constant 2.9 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 3.8 mm. What is the maximum kinetic energy?

- -a) 2.09 x 10
^{-3}J

- -a) 2.09 x 10

- -b) 6.62 x 10
^{-3}J

- -b) 6.62 x 10

- +c) 2.09 x 10
^{-2}J

- +c) 2.09 x 10

- -d) 6.62 x 10
^{-2}J

- -d) 6.62 x 10

- -e) 2.09 x 10
^{-1}J

- -e) 2.09 x 10

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

- - a) both of these are true

- + b) has lower amplitude than the incident wave

- - c) has higher frequency than the incident wave

4. 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.

5. 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

6. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- -a) 4.8 x 10
^{-7}m

- -a) 4.8 x 10

- +b) 1.52 x 10
^{-6}m

- +b) 1.52 x 10

- -c) 4.8 x 10
^{-6}m

- -c) 4.8 x 10

- -d) 1.52 x 10
^{-5}m

- -d) 1.52 x 10

- -e) 4.8 x 10
^{-5}m

- -e) 4.8 x 10

7. While standing 0.76 km from a cliff, you measure the echo time to be 4.339 seconds. What is the temperature?

- -a) 2.83 x 10
^{1}Celsius

- -a) 2.83 x 10

- +b) 3.26 x 10
^{1}Celsius

- +b) 3.26 x 10

- -c) 3.77 x 10
^{1}Celsius

- -c) 3.77 x 10

- -d) 4.35 x 10
^{1}Celsius

- -d) 4.35 x 10

- -e) 5.03 x 10
^{1}Celsius

- -e) 5.03 x 10

8. 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 speed

- - b) the low density rope supports a wave with a lower frequency

- - c) the low density rope supports a wave with a higher frequency

- - d) the low density rope supports a wave with a lower speed

9. The temperature is -3 degrees Celsius, and you are standing 0.66 km from a cliff. What is the echo time?

- -a) 2.949 x 10
^{0}seconds

- -a) 2.949 x 10

- -b) 3.184 x 10
^{0}seconds

- -b) 3.184 x 10

- -c) 3.438 x 10
^{0}seconds

- -c) 3.438 x 10

- -d) 3.713 x 10
^{0}seconds

- -d) 3.713 x 10

- +e) 4.009 x 10
^{0}seconds

- +e) 4.009 x 10

10. These two pulses will collide and produce

- - a) negative diffraction

- - b) positive diffraction

- - c) negative interference

- + d) positive interference

11. If you start moving towards a source of sound, the pitch becomes

- - a) unchanged

- + b) higher

- - c) lower

12. A spring with spring constant 2.8 kN/m undergoes simple harmonic motion with a frequency of 8.5 kHz. The maximum force is 8.2 N. What is the total energy?

- +a) 1.2 x 10
^{-2}J

- +a) 1.2 x 10

- -b) 3.8 x 10
^{-2}J

- -b) 3.8 x 10

- -c) 1.2 x 10
^{-1}J

- -c) 1.2 x 10

- -d) 3.8 x 10
^{-1}J

- -d) 3.8 x 10

- -e) 1.2 x 10
^{0}J

- -e) 1.2 x 10

13. People don't usually perceive an echo when

- - a) it takes more than a tenth of a second after the original sound to arrive

- - b) it arrives at a higher pitch

- - c) it arrives at exactly the same pitch

- + d) it arrives less than a tenth of a second after the original sound

- - e) it arrives at a lower pitch

15. Comparing a typical church to a professional baseball stadium, the church is likely to have

- - a) neither reverberation nor echo

- - b) both reverberation and echo

- + c) reverberation instead of echo

- - d) echo instead of reverberation

### TrigPhysT1_151021-v2s2[edit]

1. Comparing a typical church to a professional baseball stadium, the church is likely to have

- ___ a) echo instead of reverberation

- ___ b) neither reverberation nor echo

- ___ c) both reverberation and echo

- ___ d) reverberation instead of echo

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

- ___ a) has lower amplitude than the incident wave

- ___ b) both of these are true

- ___ c) has higher frequency than the incident wave

3. 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 speed

- ___ 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 lower frequency

4. A spring with spring constant 1.1 kN/m undergoes simple harmonic motion with a frequency of 8.4 kHz. The maximum force is 3.8 N. What is the total energy?

- ___a) 6.56 x 10
^{-4}J

- ___b) 2.08 x 10
^{-3}J

- ___c) 6.56 x 10
^{-3}J

- ___d) 2.08 x 10
^{-2}J

- ___e) 6.56 x 10
^{-2}J

5. People don't usually perceive an echo when

- ___ a) it arrives less than a tenth of a second after the original sound

- ___ b) it takes more than a tenth of a second after the original sound to arrive

- ___ c) it arrives at exactly the same pitch

- ___ d) it arrives at a higher pitch

- ___ e) it arrives at a lower pitch

6. A spring of spring constant 2.9 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 3.8 mm. What is the maximum kinetic energy?

- ___a) 2.09 x 10
^{-3}J

- ___b) 6.62 x 10
^{-3}J

- ___c) 2.09 x 10
^{-2}J

- ___d) 6.62 x 10
^{-2}J

- ___e) 2.09 x 10
^{-1}J

7. These two pulses will collide and produce

- ___ a) negative diffraction

- ___ b) positive interference

- ___ c) positive diffraction

- ___ d) negative interference

9. While standing 0.58 km from a cliff, you measure the echo time to be 3.38 seconds. What is the temperature?

- ___a) 1.53 x 10
^{1}Celsius

- ___b) 1.76 x 10
^{1}Celsius

- ___c) 2.03 x 10
^{1}Celsius

- ___d) 2.35 x 10
^{1}Celsius

- ___e) 2.71 x 10
^{1}Celsius

11. A spring with spring constant 2.5 kN/m is attached to a 7.7 gram mass. The maximum acelleration is 1.2 m/s^{2}. What is the maximum displacement?

- ___a) 3.7 x 10
^{-8}m

- ___b) 1.17 x 10
^{-7}m

- ___c) 3.7 x 10
^{-7}m

- ___d) 1.17 x 10
^{-6}m

- ___e) 3.7 x 10
^{-6}m

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

- ___ a) Rough walls make for a louder sound.

- ___ b) The difference in path lengths creates more reverberation.

- ___ c) The difference in path lengths creates more echo.

13. The temperature is -2.1 degrees Celsius, and you are standing 0.83 km from a cliff. What is the echo time?

- ___a) 5.033 x 10
^{0}seconds

- ___b) 5.435 x 10
^{0}seconds

- ___c) 5.868 x 10
^{0}seconds

- ___d) 6.336 x 10
^{0}seconds

- ___e) 6.842 x 10
^{0}seconds

14. 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

15. If you start moving towards a source of sound, the pitch becomes

- ___ a) lower

- ___ b) unchanged

- ___ c) higher

#### Key to TrigPhysT1_151021-v2s2[edit]

1. Comparing a typical church to a professional baseball stadium, the church is likely to have

- - a) echo instead of reverberation

- - b) neither reverberation nor echo

- - c) both reverberation and echo

- + d) reverberation instead of echo

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

- + a) has lower amplitude than the incident wave

- - b) both of these are true

- - c) has higher frequency than the incident wave

3. 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 speed

- - 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 lower frequency

4. A spring with spring constant 1.1 kN/m undergoes simple harmonic motion with a frequency of 8.4 kHz. The maximum force is 3.8 N. What is the total energy?

- -a) 6.56 x 10
^{-4}J

- -a) 6.56 x 10

- -b) 2.08 x 10
^{-3}J

- -b) 2.08 x 10

- +c) 6.56 x 10
^{-3}J

- +c) 6.56 x 10

- -d) 2.08 x 10
^{-2}J

- -d) 2.08 x 10

- -e) 6.56 x 10
^{-2}J

- -e) 6.56 x 10

5. People don't usually perceive an echo when

- + a) it arrives less than a tenth of a second after the original sound

- - b) it takes more than a tenth of a second after the original sound to arrive

- - c) it arrives at exactly the same pitch

- - d) it arrives at a higher pitch

- - e) it arrives at a lower pitch

6. A spring of spring constant 2.9 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 3.8 mm. What is the maximum kinetic energy?

- -a) 2.09 x 10
^{-3}J

- -a) 2.09 x 10

- -b) 6.62 x 10
^{-3}J

- -b) 6.62 x 10

- +c) 2.09 x 10
^{-2}J

- +c) 2.09 x 10

- -d) 6.62 x 10
^{-2}J

- -d) 6.62 x 10

- -e) 2.09 x 10
^{-1}J

- -e) 2.09 x 10

7. These two pulses will collide and produce

- - a) negative diffraction

- + b) positive interference

- - c) positive diffraction

- - d) negative interference

9. While standing 0.58 km from a cliff, you measure the echo time to be 3.38 seconds. What is the temperature?

- -a) 1.53 x 10
^{1}Celsius

- -a) 1.53 x 10

- -b) 1.76 x 10
^{1}Celsius

- -b) 1.76 x 10

- +c) 2.03 x 10
^{1}Celsius

- +c) 2.03 x 10

- -d) 2.35 x 10
^{1}Celsius

- -d) 2.35 x 10

- -e) 2.71 x 10
^{1}Celsius

- -e) 2.71 x 10

11. A spring with spring constant 2.5 kN/m is attached to a 7.7 gram mass. The maximum acelleration is 1.2 m/s^{2}. What is the maximum displacement?

- -a) 3.7 x 10
^{-8}m

- -a) 3.7 x 10

- -b) 1.17 x 10
^{-7}m

- -b) 1.17 x 10

- -c) 3.7 x 10
^{-7}m

- -c) 3.7 x 10

- -d) 1.17 x 10
^{-6}m

- -d) 1.17 x 10

- +e) 3.7 x 10
^{-6}m

- +e) 3.7 x 10

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

- - a) Rough walls make for a louder sound.

- + b) The difference in path lengths creates more reverberation.

- - c) The difference in path lengths creates more echo.

13. The temperature is -2.1 degrees Celsius, and you are standing 0.83 km from a cliff. What is the echo time?

- +a) 5.033 x 10
^{0}seconds

- +a) 5.033 x 10

- -b) 5.435 x 10
^{0}seconds

- -b) 5.435 x 10

- -c) 5.868 x 10
^{0}seconds

- -c) 5.868 x 10

- -d) 6.336 x 10
^{0}seconds

- -d) 6.336 x 10

- -e) 6.842 x 10
^{0}seconds

- -e) 6.842 x 10

14. 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

15. If you start moving towards a source of sound, the pitch becomes

- - a) lower

- - b) unchanged

- + c) higher

### TrigPhysT1_151021-v1s3[edit]

1. These two pulses will collide and produce

- ___ a) negative diffraction

- ___ b) negative interference

- ___ c) positive diffraction

- ___ d) positive interference

2. These two pulses will collide and produce

- ___ a) positive diffraction

- ___ b) positive interference

- ___ c) negative interference

- ___ d) negative diffraction

3. If you start moving towards a source of sound, the pitch becomes

- ___ a) lower

- ___ b) higher

- ___ c) unchanged

4. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- ___a) 4.8 x 10
^{-7}m

- ___b) 1.52 x 10
^{-6}m

- ___c) 4.8 x 10
^{-6}m

- ___d) 1.52 x 10
^{-5}m

- ___e) 4.8 x 10
^{-5}m

5. 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 higher speed

- ___ d) the low density rope supports a wave with a lower speed

6. 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 longer

- ___ b) the wavelength gets shorter

- ___ c) the wavelength stays the same

8. While standing 0.66 km from a cliff, you measure the echo time to be 3.768 seconds. What is the temperature?

- ___a) 3.26 x 10
^{1}Celsius

- ___b) 3.77 x 10
^{1}Celsius

- ___c) 4.35 x 10
^{1}Celsius

- ___d) 5.03 x 10
^{1}Celsius

- ___e) 5.81 x 10
^{1}Celsius

9. A spring with spring constant 7.7 kN/m undergoes simple harmonic motion with a frequency of 4.4 kHz. The maximum force is 9.4 N. What is the total energy?

- ___a) 5.74 x 10
^{-5}J

- ___b) 1.81 x 10
^{-4}J

- ___c) 5.74 x 10
^{-4}J

- ___d) 1.81 x 10
^{-3}J

- ___e) 5.74 x 10
^{-3}J

10. A spring of spring constant 2.1 kN/m causes a mass to move with a period of 1.4 ms. The maximum displacement is 6.6 mm. What is the maximum kinetic energy?

- ___a) 1.45 x 10
^{-3}J

- ___b) 4.57 x 10
^{-3}J

- ___c) 1.45 x 10
^{-2}J

- ___d) 4.57 x 10
^{-2}J

- ___e) 1.45 x 10
^{-1}J

11. 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) 30

- ___ b) 20

- ___ c) 40

- ___ d) 50

- ___ e) 60

12. 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

13. These two pulses will collide and produce

- ___ a) negative diffraction

- ___ b) positive interference

- ___ c) positive diffraction

- ___ d) negative interference

14. What is the speed of a transverse wave on a string if the string is 0.58 m long, clamped at both ends, and harmonic number 4 has a frequency of 543 Hz?

- ___a) 8.86 x 10
^{1}unit

- ___b) 1.07 x 10
^{2}unit

- ___c) 1.3 x 10
^{2}unit

- ___d) 1.57 x 10
^{2}unit

- ___e) 1.91 x 10
^{2}unit

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

- ___ a) higher

- ___ b) unchanged

- ___ c) lower

#### Key to TrigPhysT1_151021-v1s3[edit]

1. These two pulses will collide and produce

- - a) negative diffraction

- - b) negative interference

- - c) positive diffraction

- + d) positive interference

2. These two pulses will collide and produce

- - a) positive diffraction

- - b) positive interference

- + c) negative interference

- - d) negative diffraction

3. If you start moving towards a source of sound, the pitch becomes

- - a) lower

- + b) higher

- - c) unchanged

4. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- -a) 4.8 x 10
^{-7}m

- -a) 4.8 x 10

- +b) 1.52 x 10
^{-6}m

- +b) 1.52 x 10

- -c) 4.8 x 10
^{-6}m

- -c) 4.8 x 10

- -d) 1.52 x 10
^{-5}m

- -d) 1.52 x 10

- -e) 4.8 x 10
^{-5}m

- -e) 4.8 x 10

5. 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 higher speed

- - d) the low density rope supports a wave with a lower speed

- + a) the wavelength gets longer

- - b) the wavelength gets shorter

- - c) the wavelength stays the same

8. While standing 0.66 km from a cliff, you measure the echo time to be 3.768 seconds. What is the temperature?

- +a) 3.26 x 10
^{1}Celsius

- +a) 3.26 x 10

- -b) 3.77 x 10
^{1}Celsius

- -b) 3.77 x 10

- -c) 4.35 x 10
^{1}Celsius

- -c) 4.35 x 10

- -d) 5.03 x 10
^{1}Celsius

- -d) 5.03 x 10

- -e) 5.81 x 10
^{1}Celsius

- -e) 5.81 x 10

9. A spring with spring constant 7.7 kN/m undergoes simple harmonic motion with a frequency of 4.4 kHz. The maximum force is 9.4 N. What is the total energy?

- -a) 5.74 x 10
^{-5}J

- -a) 5.74 x 10

- -b) 1.81 x 10
^{-4}J

- -b) 1.81 x 10

- -c) 5.74 x 10
^{-4}J

- -c) 5.74 x 10

- -d) 1.81 x 10
^{-3}J

- -d) 1.81 x 10

- +e) 5.74 x 10
^{-3}J

- +e) 5.74 x 10

10. A spring of spring constant 2.1 kN/m causes a mass to move with a period of 1.4 ms. The maximum displacement is 6.6 mm. What is the maximum kinetic energy?

- -a) 1.45 x 10
^{-3}J

- -a) 1.45 x 10

- -b) 4.57 x 10
^{-3}J

- -b) 4.57 x 10

- -c) 1.45 x 10
^{-2}J

- -c) 1.45 x 10

- +d) 4.57 x 10
^{-2}J

- +d) 4.57 x 10

- -e) 1.45 x 10
^{-1}J

- -e) 1.45 x 10

11. 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) 30

- + b) 20

- - c) 40

- - d) 50

- - e) 60

12. 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

13. These two pulses will collide and produce

- - a) negative diffraction

- + b) positive interference

- - c) positive diffraction

- - d) negative interference

14. What is the speed of a transverse wave on a string if the string is 0.58 m long, clamped at both ends, and harmonic number 4 has a frequency of 543 Hz?

- -a) 8.86 x 10
^{1}unit

- -a) 8.86 x 10

- -b) 1.07 x 10
^{2}unit

- -b) 1.07 x 10

- -c) 1.3 x 10
^{2}unit

- -c) 1.3 x 10

- +d) 1.57 x 10
^{2}unit

- +d) 1.57 x 10

- -e) 1.91 x 10
^{2}unit

- -e) 1.91 x 10

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

- + a) higher

- - b) unchanged

- - c) lower

### TrigPhysT1_151021-v2s3[edit]

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

- ___ a) unchanged

- ___ b) higher

- ___ c) lower

2. 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 speed

- ___ b) the low density rope supports a wave with a higher frequency

- ___ c) the low density rope supports a wave with a lower frequency

- ___ d) the low density rope supports a wave with a lower speed

3. What is the speed of a transverse wave on a string if the string is 0.5 m long, clamped at both ends, and harmonic number 4 has a frequency of 316 Hz?

- ___a) 7.9 x 10
^{1}unit

- ___b) 9.57 x 10
^{1}unit

- ___c) 1.16 x 10
^{2}unit

- ___d) 1.4 x 10
^{2}unit

- ___e) 1.7 x 10
^{2}unit

5. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- ___a) 4.8 x 10
^{-7}m

- ___b) 1.52 x 10
^{-6}m

- ___c) 4.8 x 10
^{-6}m

- ___d) 1.52 x 10
^{-5}m

- ___e) 4.8 x 10
^{-5}m

- ___ a) the wavelength stays the same

- ___ b) the wavelength gets longer

- ___ c) the wavelength gets shorter

7. A spring with spring constant 7.7 kN/m undergoes simple harmonic motion with a frequency of 4.4 kHz. The maximum force is 9.4 N. What is the total energy?

- ___a) 5.74 x 10
^{-5}J

- ___b) 1.81 x 10
^{-4}J

- ___c) 5.74 x 10
^{-4}J

- ___d) 1.81 x 10
^{-3}J

- ___e) 5.74 x 10
^{-3}J

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

- ___ a) has lower amplitude than the incident wave

- ___ b) has higher frequency than the incident wave

- ___ c) both of these are true

9. 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) 50

- ___ e) 30

10. A spring of spring constant 8.7 kN/m causes a mass to move with a period of 5.2 ms. The maximum displacement is 7.1 mm. What is the maximum kinetic energy?

- ___a) 2.19 x 10
^{-1}J

- ___b) 6.93 x 10
^{-1}J

- ___c) 2.19 x 10
^{0}J

- ___d) 6.93 x 10
^{0}J

- ___e) 2.19 x 10
^{1}J

11. If you start moving towards a source of sound, the pitch becomes

- ___ a) higher

- ___ b) lower

- ___ c) unchanged

12. These two pulses will collide and produce

- ___ a) positive interference

- ___ b) positive diffraction

- ___ c) negative interference

- ___ d) negative diffraction

13. While standing 0.62 km from a cliff, you measure the echo time to be 3.648 seconds. What is the temperature?

- ___a) 1.47 x 10
^{1}Celsius

- ___b) 1.7 x 10
^{1}Celsius

- ___c) 1.97 x 10
^{1}Celsius

- ___d) 2.27 x 10
^{1}Celsius

- ___e) 2.62 x 10
^{1}Celsius

14. These two pulses will collide and produce

- ___ a) positive diffraction

- ___ b) negative interference

- ___ c) positive interference

- ___ d) negative diffraction

15. These two pulses will collide and produce

- ___ a) negative interference

- ___ b) positive interference

- ___ c) negative diffraction

- ___ d) positive diffraction

#### Key to TrigPhysT1_151021-v2s3[edit]

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

- - a) unchanged

- + b) higher

- - c) lower

2. 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 speed

- - b) the low density rope supports a wave with a higher frequency

- - c) the low density rope supports a wave with a lower frequency

- - d) the low density rope supports a wave with a lower speed

3. What is the speed of a transverse wave on a string if the string is 0.5 m long, clamped at both ends, and harmonic number 4 has a frequency of 316 Hz?

- +a) 7.9 x 10
^{1}unit

- +a) 7.9 x 10

- -b) 9.57 x 10
^{1}unit

- -b) 9.57 x 10

- -c) 1.16 x 10
^{2}unit

- -c) 1.16 x 10

- -d) 1.4 x 10
^{2}unit

- -d) 1.4 x 10

- -e) 1.7 x 10
^{2}unit

- -e) 1.7 x 10

5. A spring with spring constant 9.6 kN/m is attached to a 9.1 gram mass. The maximum acelleration is 1.6 m/s^{2}. What is the maximum displacement?

- -a) 4.8 x 10
^{-7}m

- -a) 4.8 x 10

- +b) 1.52 x 10
^{-6}m

- +b) 1.52 x 10

- -c) 4.8 x 10
^{-6}m

- -c) 4.8 x 10

- -d) 1.52 x 10
^{-5}m

- -d) 1.52 x 10

- -e) 4.8 x 10
^{-5}m

- -e) 4.8 x 10

- - a) the wavelength stays the same

- + b) the wavelength gets longer

- - c) the wavelength gets shorter

7. A spring with spring constant 7.7 kN/m undergoes simple harmonic motion with a frequency of 4.4 kHz. The maximum force is 9.4 N. What is the total energy?

- -a) 5.74 x 10
^{-5}J

- -a) 5.74 x 10

- -b) 1.81 x 10
^{-4}J

- -b) 1.81 x 10

- -c) 5.74 x 10
^{-4}J

- -c) 5.74 x 10

- -d) 1.81 x 10
^{-3}J

- -d) 1.81 x 10

- +e) 5.74 x 10
^{-3}J

- +e) 5.74 x 10

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

- + a) has lower amplitude than the incident wave

- - b) has higher frequency than the incident wave

- - c) both of these are true

9. 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) 50

- - e) 30

- +a) 2.19 x 10
^{-1}J

- +a) 2.19 x 10

- -b) 6.93 x 10
^{-1}J

- -b) 6.93 x 10

- -c) 2.19 x 10
^{0}J

- -c) 2.19 x 10

- -d) 6.93 x 10
^{0}J

- -d) 6.93 x 10

- -e) 2.19 x 10
^{1}J

- -e) 2.19 x 10

11. If you start moving towards a source of sound, the pitch becomes

- + a) higher

- - b) lower

- - c) unchanged

12. These two pulses will collide and produce

- + a) positive interference

- - b) positive diffraction

- - c) negative interference

- - d) negative diffraction

13. While standing 0.62 km from a cliff, you measure the echo time to be 3.648 seconds. What is the temperature?

- +a) 1.47 x 10
^{1}Celsius

- +a) 1.47 x 10

- -b) 1.7 x 10
^{1}Celsius

- -b) 1.7 x 10

- -c) 1.97 x 10
^{1}Celsius

- -c) 1.97 x 10

- -d) 2.27 x 10
^{1}Celsius

- -d) 2.27 x 10

- -e) 2.62 x 10
^{1}Celsius

- -e) 2.62 x 10

14. These two pulses will collide and produce

- - a) positive diffraction

- + b) negative interference

- - c) positive interference

- - d) negative diffraction

15. These two pulses will collide and produce

- - a) negative interference

- + b) positive interference

- - c) negative diffraction

- - d) positive diffraction

- Attribution (for quiz questions) under CC-by-SA license

- http://en.wikiversity.org/w/index.php?title=Physics_equations/18-Electric_charge_and_field/Q:findE&oldid=1378605
- http://en.wikiversity.org/wiki/How_things_work_college_course/Waves_(Physics_Classroom)
- Study guide

- http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
- http://www.physicsclassroom.com/class/waves