Sound Review Question Preview (ID: 40720)
Review Sound Concepts.
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Sound is a disturbance that travels through a medium as a
a) longitudinal wave
b) surface wave
c) standing wave
d) transverse wave
The speed of sound depends on
a) the loudness of the sound
b) the pitch of the sound
c) the source of the sound
d) the properties of the medium through which it travels
The ability of a material to bounce back after being disturbed is called
a) density
b) elasticity
c) intensity
d) frequency
The amount of energy a sound waves carries per second
a) loudness
b) intensity
c) frequency
d) pitch
loudness or sound level is measured in what units
a) decibels
b) hertz
c) meters per second
d) watts per square meter
Which is how high or low a sound seems to a person?
a) loudness
b) pitch
c) intensity
d) frequency
When two or more sound interact
a) interference
b) doppler effect
c) reality
d) across
Sound waves above 20,000 Hz
a) infrasound
b) hurt sound
c) pain
d) ultrasound
Which part of the ear changes vibrations into nerve impulses
a) eardrum
b) hammer
c) anvil
d) cochlea
You can hear around corners because of
a) reflect
b) diffraction
c) sound
d) walking
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