Sound Wave Review

A sound wave is a ________variation that is transmitted through matter.

• pressure
• moving

• temperature

Sound waves are ___________ waves consisting of alternate areas of high pressure compressions and low pressure rarefactions.

• longitudinal or compression
• transverse

Sound is produced by _________objects.

• loud

• quiet

• vibrating

Sound travels in steel _______ than it does in air.

• faster
• slower

• the same

Sound is a ________wave and must have a medium to travel.

• electromagnetic and mechanical

• transverse and electromagnetic

• longitudinal and mechanical
• transverse and mechanical

__________ is the measure of the pitch of a sound wave.

• Time period

• Frequency
• Wavelength

Sound waves at frequencies higher than the human ear can hear are called .

• infrasonic

• ultrasonic

Sound waves at frequencies lower than what the human ear can hear are called .

• infrasonic
• ultrasonic

• supersonic

• slow

A frequency shift that is the result of relative motion between the source of waves and a detector is called?

• Frequency adaptation

• Doppler Effect

• Motion

True or False: The Doppler effect occurs only with sound waves.

• True

• False