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Vibrations And Waves 2
Test Description: Physics
Instructions: Answer all questions to get your test result.
1) You are creating a wave on a spring. If you start shaking the spring more slowly, the wavelength of the resulting wave will _________.
A
decrease
B
remain the same
C
depend on the amplitude
D
increase
2) Wave A carries more energy than wave B. Wave B has a smaller __________ than wave A.
A
wavelength
B
amplitude
C
speed
D
frequency
3) When the crest of one wave passes through the trough of another wave, __________ takes place.
A
resonance
B
diffraction
C
destructive interference
D
constructive interference
4) _____________ waves can travel through Earth and along Earth's surface.
A
Water
B
Sound
C
Light
D
Seismic
5) An ocean wave has a frequency of 2.0 Hz with a wavelength of 10 m. What is the velocity of the wave?
A
5 m/s
B
20 m/s
C
200 m/s
D
10 m/s
6) Sound waves do not carry energy.
A
False
B
True
7) Mechanical waves need a medium through which to transport energy.
A
False
B
True
8) The amplitude of a wave is measured from the crest of one wave to the crest of the next wave.
A
False
B
True
9) If the wavelength of a give wave decreases, you know that its frequency will stay the same.
A
False
B
True
10) Wave A has a greater frequency than wave B, but the amplitude of the two waves is the same. The energy of wave A is greater than that of wave B.
A
False
B
True
*select an answer for all questions
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