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AP Physics 1 – Algebra-Based: Unit 10 Mechanical Waves and Sound Waves

October 2, 2020Brajendra Shrivastava

AP Physics 1 – Algebra-Based: Unit 10 Mechanical Waves and Sound Waves

AP Physics 1 – Algebra-Based: Unit 10 Mechanical Waves and Sound Waves

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Question 1 of 19

1. Question
A student wants to create a longitudinal wave with a horizontal slinky. Which direction should the student move their hand?
- Up and Down
- Right and Left
- All directions
Correct

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Question 2 of 19

2. Question
A periodic wave with wavelength λ=2 m has speed v =2 m/s What is the wave’s frequency? (Round answer to one significant digit.)
- 1 Hz
- 7 Hz
- 4 Hz
- 2 Hz
Correct

Incorrect
Question 3 of 19

3. Question
A periodic wave with frequency f =3 Hz has speed v =27 m/s What is the wave’s wavelength? (Round answer to one significant digit.)
- 27 m
- 3 m
- 9 m
- 51 m
Correct

Incorrect
Question 4 of 19

4. Question
A periodic ocean wave with wavelength λ=8 m has frequency f =2 5 Hz .what is the wave’s speed? (Round answer to one significant digit.)
- 200 m/s
- 300 m/s
- 2 m/s
- 3 m/s
Correct

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Question 5 of 19

5. Question
A string of length L vibrates to form a standing wave with four antinodes as shown above.
- L/2
- L/8
- L
- L/4
Correct

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Question 6 of 19

6. Question
What type of wave does the image represent??
- Longitudinal Wave
- Transverse Wave
- None of the above
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Question 7 of 19

7. Question
Waves are a transfer of…
- heat
- energy
- light
- food
Correct

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Question 8 of 19

8. Question
What property of this wave is represented by the letter “A”?
- amplitude
- trough
- crest
- wavelength
Correct

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Question 9 of 19

9. Question
What is the speed of the sound wave that has a frequency of 250 hertz and a wavelength of 8 meters ?
- 31 m/s
- 2000 m/s
- 250 m/s
- 5280 m/s
Correct

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Question 10 of 19

10. Question
Which of these waves cannot travel in a vacuum?
- Light wave
- Sound Wave
- Electromagnetic wave
- Microwave
Correct

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Question 11 of 19

11. Question
Areas of increased pressure on a sound wave are known as a…
- refraction
- frequency
- compression
- amplitude
Correct

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Question 12 of 19

12. Question
Which of the following would you hear as a low pitched sound?
- Sound wave with a frequency of 50 Hz
- Sound wave with an intensity of 10 dB
- Sound wave with frequency of 10,000 Hz
- Sound wave with an intensity of 100 dB
Correct

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Question 13 of 19

13. Question
Sound travels fastest through which of the following materials?
- A type of gas, like helium
- A metal such as iron
- Empty space
- Water
Correct

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Question 14 of 19

14. Question
For the wave that is labeled “1/2″ which equation would you use to find the frequency?
Correct

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Question 15 of 19

15. Question
For the tube on the far right, how many nodes does it have?
- 3
- 5
- 4
- 6
Correct

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Question 16 of 19

16. Question
For the string labeled 1/4 what is the harmonic number?
- First harmonic
- Second harmonic
- third harmonic
- fourth harmonic
Correct

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Question 17 of 19

17. Question
When the frequency of a wave increases, what happens to the wavelength?
- The wavelength is not directly affected by the frequency of a wave.
- The wavelength increases.
- The wavelength decreases.
- More specific information is needed to form a conclusion about the wavelength.
Correct

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Question 18 of 19

18. Question
It is the bending of waves around an object (such as through a doorway).
- diffract
- sound
- pinch
- volume
Correct

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Question 19 of 19

19. Question
It is a disturbance that transfers energy from one place to another without transferring energy.
- wave
- pitch
- trough
- sound
Correct

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