Using Sound — Unit test Answers
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21
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Yulia observed a sound wave moving through a solid medium at four different temperatures, and she recorded observations about each one in the chart.
A
Wave X → Wave Y → Wave W → Wave ZB
Wave Z → Wave W → Wave Y → Wave XC
Wave X → Wave W → Wave Y → Wave ZD
Wave Z → Wave Y → Wave W → Wave X22
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Which describes the amplitude of a wave when it carries more energy?
A
It is higher.B
It is lower.C
It is darker.D
It is lighter.23
What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?
A
0.03 m/sB
0.3 m/sC
3.1 m/sD
30 m/s24
Allison wants to calculate the speed of a sound wave.
A
distance traveled / amplitudeB
number of wavelengths / amplitudeC
number of wavelengths / timeD
distance traveled / time25
Julia performs an experiment to measure the wavelength of four different waves and records her data in the table below.Which accurately ranks the waves from the lowest energy wave to the highest energy wave?
A
1 → 4 → 3 → 2B
2 → 3 → 4 → 1C
3 → 2 → 4 → 1D
1 → 4 → 2 → 3Did you find these answers helpful?
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