Question

please choose the correct just pleasant to make sure my answer is correct

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1-Regions in a longitudinal wave where the particles of the medium are squeezed together are called compressions.

True

False

2-The sound from two identical sound producers will sound twice as loud as that from just one.

True

False

3-The flash from a camera is an example of a continuous wave.

True

False

4-Sound cannot travel through solid steel.

True

False

5-Reverberation can both inhibit conversation and enhance music.

True

False

6-The vocal cords are used to make all sounds that are produced in human speech.

True

False

7-Two sound waves travelling through the air have different frequencies. Consequently, they must also have different: (select all that apply)

		wavelengths
		speeds
		amplitudes

8-What can affect the frequency of a wave? (select all that apply)

		diffraction
		Doppler effect
		interference

9-A stationary lawnmower produces a steady sound in an open field.

If a listener moves to a distance one-half as far away from the mower, the amplitude of the sound would be

		one-half as large
		four times as large
		twice as large
		one-fourth as large

Answer 1

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