Properties of sound

For a longitudinal wave, how close together the particles of the medium are in the compressions determines which property of the wave?

• Amplitude

• frequency

• wave length

• wave speed

Which is the amount of energy that passes through a certain area in a specific amount of time?

• amplitude

• intensity

• loudness

• decibel

What is the lowest level in which sustained sounds can cause permanent hearing loss?

• 33 dB

• 50 dB

• 75 dB

• 90 dB

Pitch is primarily related to which property of sound waves?

• wavelength

• Amplitude

• Frequency

• Wave speed

Which words correctly complete the following sentence? The Doppler effect is the change in _____ _____ due to a wave source moving relative to an observer or an observer moving relative to a wave source.

• Wave Origin

• wave amplitude

• wave frequency

• wave speed