Sound Waves Answers

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Which statements describe intensity? Check all that apply.Intensity is the amount of energy that flows in an area per unit of time.Intensity is the number of wavelengths that flow in an area per unit of time.Intensity that is lower than or equal to 85 units can harm human hearing.Intensity that is greater than or equal to 85 units can harm human hearing.Intensity is measured in decibels.Intensity is measured in hertz.

A
Intensity is the amount of energy that flows in an area per unit of time.
B
Intensity is the number of wavelengths that flow in an area per unit of time.
C
Intensity that is lower than or equal to 85 units can harm human hearing.
D
Intensity that is greater than or equal to 85 units can harm human hearing.
E
Intensity is measured in decibels.
F
Intensity is measured in hertz.
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Which feature of a sound wave is related to pitch?

A
amplitude
B
compressions
C
frequency
D
rarefactions
3

Which condition will result in resonance?

A
The frequency of a sound wave is equal to the natural frequency of a material.
B
The frequency of a sound wave is lower than the natural frequency of a material.
C
The frequency of a sound wave is higher than the natural frequency of a material.
5

Which is involved when a Doppler effect is produced?

A
change in amplitude
B
change in frequency
C
change in wavelength

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Sound Waves Answers — Fall 24 GSE Physical…