I need help with my study guide

Question 1

1. Through which medium will sound travel most rapidly?

		vacuum
		air
		water
		steel

Question 2

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

		reflection
		resonance
		reverberation
		refraction

Question 3

1. 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

Question 4

1. Longitudinal mechanical waves will move only through

		solids
		liquids
		gases
		all of the above

Question 5

1. The number of vibrations that occur in 1 second is called

		a period
		frequency
		amplitude
		sinusoidal

Question 6

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

Increase

Decrease

Question 7

1. What unit is the energy of a wave measured in?

		W
		J
		W/m2
		m2

Question 8

1. A destructive point of interference is known as a ____________.