Sound Review Question Preview (ID: 36548)


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What is it called when 2 waves meet while traveling along the same medium?
a) Rarefaction
b) Interference
c) Amplitude
d) Echo

How does an object sound when it’s moving towards you?
a) Inaudible (pitch)
b) Low (pitch)
c) High (pitch)
d) None of the above, the pitch can't be determined

What is an observed change in frequency when there is relative motion between the source of waves and an observer?
a) Beats
b) Doppler Effect
c) Decibles
d) Echo

Constructive interference is another way to describe waves that are in what?
a) In Phase
b) Stationary
c) Transverse
d) Beats

How do standing waves appear?
a) In Phase
b) Stationary
c) Transverse
d) Beats

In what medium does sound travel the fastest?
a) Liquid
b) Stationary
c) Solid
d) Transverse Wave

The threshold of hearing occurs at what decibel level?
a) 0 dB
b) -10 dB
c) 10 dB
d) 5dB

What type of waves are sound waves?
a) Longitudinal
b) Standing
c) Alternating
d) Echo

What are series of alternate reinforcements and cancellations called?
a) In Phase
b) Doppler Effect
c) Longitudinal
d) Beats

This is the response of a body when a forcing frequency matches its natural frequency.
a) Resonance
b) Fundamental frequency
c) Compression
d) Quality

An area of low pressure or low density is called what?
a) Resonance
b) Compression
c) Beats
d) Rarefaction

An area of high pressure or high density is called what?
a) Compression
b) Rarefaction
c) Resonance
d) Beats

Sound that has a frequency higher than 20,000Hz is called what?
a) Compression
b) Ultrasonic
c) Infrasonic
d) Beats

Sound that has a frequency lower than 20Hz is called what?
a) Beats
b) Ultrasonic
c) Infrasonic
d) Hertz

What is the lowest frequency of vibration, or first harmonic, in a musical tone?
a) Fundamental frequency
b) Harmonic frequency
c) Intense frequency
d) Ultimate frequency

What is another word used to describe the loudness of a sound?
a) Infrasonic
b) Ultrasonic
c) Frequency
d) Intensity

What is pitch directly related to?
a) Intensity
b) Frequency
c) Resonance
d) Ultrasonic

A 256Hz and 260Hz tuning fork are sounded at the same time. What is the beat frequency heard?
a) 4Hz
b) 0Hz
c) 6Hz
d) 2Hz

A 256Hz and 260Hz tuning fork are sounded at the same time. What is the pitch that you would hear?
a) 264Hz
b) 6Hz
c) 250Hz
d) 258 Hz

Musical tones have 3 characteristics: pitch, frequency, and what?
a) tone
b) quality
c) sound
d) beat

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