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Question 1

Through which medium will sound travel most rapidly?

		vacuum
		air
		water
		steel

1 points

Question 2

The bending of a wave at the boundary between two media is called

		reflection
		resonance
		reverberation
		refraction

1 points

Question 3

When the trough of one wave arrives at the same time and place as the crest of otherwise identical wave,

		constructive interference occurs
		destructive interference occurs
		resonance occurs
		they don't interact with each other

1 points

Question 4

Longitudinal mechanical waves will move only through

		solids
		liquids
		gases
		all of the above

1 points

Question 5

The number of vibrations that occur in 1 second is called

		a period
		frequency
		amplitude
		sinusoidal

1 points

Question 6

As you get older the range of frequency's you hear will Term 1

.

1 points

Question 7

What unit is the energy of a wave measured in?

		W
		J
		W/m2
		m2

Question 8

A destructive point of interference is known as a ____________.

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