Quiz
Lesson 3 Travelling Waves Quiz 2
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Perguntas do quiz (18)
11. What will this wave look like after it reflects?
- AA
- BB
- CC
- DD
- AA
2What will this wave look like after it reflects?
- AA
- BB
- CC
- DD
- AA
3The pulse on the left is moving right, the pulse on the right is moving left. What do you see when the pulses overlap?
- A
- B
- C
- D
- E
- A
4If these two waves were moving through water at the same time, what would the water look like?
- A
- B
- C
- D
- A
5A student started the speaker by clicking on the stopwatch. How many sound waves are there is this trial?
- AA. 3
- BB. 5
- CC. 4
- DD. 8
6What is the speed of the sound waves shown here?
- AA. 300 m/s
- BB. 331 m/s
- CC. 0.0030 m/s
- DD. 66 m/s
7 What is the frequency of the sound waves shown here?
- AA. 0.0037 Hz
- BB. 66 Hz
- CC. 260 Hz
- DD. 300 Hz
- EE. 330 Hz
8What is the period of the sound waves shown here?
- AA. 0.0151 s
- BB. 0.0037 s
- CC. 260 s
- DD. 300 s
- EE. 330 s
9 What is the wavelength of the sound waves shown here?
- AA. 5 m
- BB. 1.3 m
- CC. 1 m
- DD. 0.71 m
- EE. 300 m
10If your lab partner moved the frequency slider to the left so that it changed from 500 to 250 the new period would be:
- AA. twice as big
- BB. 1/2 as big
- CC. Stays the same
- DD. 1/4 times as big
- EE. Not enough information to decide
11If you moved the slider to the far right, doubling the amplitude, the period would be:
- AA. twice as big
- BB. 1/2 as big
- CC. Stays the same
- DD. 1/4 times as big
- EE. Not enough information to decide
12If the speaker vibrates back and forth at 200 Hz how much time passes between each time it produces a maximum in pressure?
- AA. 0.2 seconds
- BB. 0.200 seconds
- CC. 0.005 seconds
- DD. 0.02 seconds
- EE. 0.05 seconds
13A speaker is playing a constant note. What happens to the sound when you:
1) put a solid, thick glass jar over it and
2) pump the air out from the jar?
- AA) 1 => hardly any difference; 2 => hardly any difference
- BB) 1=> hardly any difference; 2 => much quieter
- CC) 1=> noticeably quieter; 2 => hardly any MORE quiet
- DD) 1=> noticeably quieter; 2=> much quieter still (near silence)
- EE) None of these/something else/??
14If you could put a dust particle in front of a moving speaker. Which choice below shows the motion of the dust particle?
- AA
- BB
- CC
- DD
- EE
- AA
15The picture shows “displacement as a function of location along a string”. What is the wavelength (“λ”)?
- AA
- BB
- CC
- DD
- EE
16The picture shows “displacement as a function of location along a string”. What is the amplitude?
- AA
- BB
- CC
- DD
- EE
17 What is the period of this wave?
- AA t3 - t2
- BB t4 - t1
- CC t2 - t1
- DD t3 - t1
- EE None of the above
18Which one of the following is most likely to be impossible?
- AA. Transverse waves in a gas
- BB. Longitudinal waves in a gas
- CC. Transverse waves in a solid
- DD. Longitudinal waves in a solid
- EE. They all seem perfectly possible
Informações
- Descrição
- Quiz 2 on Lesson 3 Travelling Waves
- Autor
- Jeffrey Piggott
- Idioma
- English
- Visualizações
- 527
- Etiquetas
- Avaliação
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