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Sound Review
Test Description: Physics Review
Instructions: Answer all questions to get your test result.
1) What is pitch directly related to?
A
Ultrasonic
B
Resonance
C
Frequency
D
Intensity
2) What is another word used to describe the loudness of a sound?
A
Infrasonic
B
Frequency
C
Intensity
D
Ultrasonic
3) What is the lowest frequency of vibration, or first harmonic, in a musical tone?
A
Intense frequency
B
Ultimate frequency
C
Fundamental frequency
D
Harmonic frequency
4) Sound that has a frequency lower than 20Hz is called what?
A
Hertz
B
Infrasonic
C
Beats
D
Ultrasonic
5) Sound that has a frequency higher than 20,000Hz is called what?
A
Infrasonic
B
Beats
C
Ultrasonic
D
Compression
6) An area of high pressure or high density is called what?
A
Resonance
B
Rarefaction
C
Compression
D
Beats
7) An area of low pressure or low density is called what?
A
Beats
B
Compression
C
Rarefaction
D
Resonance
8) This is the response of a body when a forcing frequency matches its natural frequency.
A
Resonance
B
Fundamental frequency
C
Quality
D
Compression
9) What are series of alternate reinforcements and cancellations called?
A
Longitudinal
B
Doppler Effect
C
Beats
D
In Phase
10) What type of waves are sound waves?
A
Echo
B
Alternating
C
Standing
D
Longitudinal
11) In what medium does sound travel the fastest?
A
Liquid
B
Stationary
C
Transverse Wave
D
Solid
12) The threshold of hearing occurs at what decibel level?
A
0 dB
B
10 dB
C
-10 dB
D
5dB
13) How do standing waves appear?
A
In Phase
B
Stationary
C
Beats
D
Transverse
14) Constructive interference is another way to describe waves that are in what?
A
In Phase
B
Beats
C
Transverse
D
Stationary
15) 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
16) How does an object sound when it’s moving towards you?
A
High (pitch)
B
Low (pitch)
C
None of the above, the pitch can't be determined
D
Inaudible (pitch)
17) What is it called when 2 waves meet while traveling along the same medium?
A
Rarefaction
B
Amplitude
C
Interference
D
Echo
18) A 256Hz and 260Hz tuning fork are sounded at the same time. What is the beat frequency heard?
A
2Hz
B
6Hz
C
0Hz
D
4Hz
19) A 256Hz and 260Hz tuning fork are sounded at the same time. What is the pitch that you would hear?
A
6Hz
B
250Hz
C
258 Hz
D
264Hz
20) Musical tones have 3 characteristics: pitch, frequency, and what?
A
beat
B
tone
C
quality
D
sound
*select an answer for all questions
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