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Ch. 17-Part 4
Test Description: Content
Instructions: Answer all questions to get your test result.
1) Sound is produced by something that _________________________.
A
cpmpresses
B
curves
C
bends
D
vibrates
2) As temperature increases, the speed of sound ______________.
A
increases
B
stays the same
C
decreases
D
both b and c
3) Music is a group of sounds that have been deieberately produces to make a(n) _______________________
A
no pattern
B
vibration
C
pattern
D
irregular pattern
4) Noise is a group of sounds with no regular ____________________.
A
pitch
B
frequency
C
overtone
D
pattern
5) Why are the walls or ceilings of most auditoriums curved or padded in some way?
A
to deflect sound above the audience
B
to deflect sound towards the audience
C
to deflect sound away from the audience
D
to deflect sound around the audience
6) What part of the ear collects sound waves and directs them into the ear canal?
A
ear canal
B
inner ear
C
outer ear
D
middle ear
7) What part of the ear vibrates the eardrum when sound reaches it?
A
ear canal
B
inner ear
C
middle ear
D
outer ear
8) What part of the ear transmits sound energy in the form of electrical impulses to the brain?
A
middle ear
B
inner ear
C
outer ear
D
ear canal
9) What is/are some possible cause(s) of hearing loss?
A
disease
B
exposure to loud sounds
C
all of the above
D
age
10) change in frequency caused by the source of a sound moving
A
fundamental frequency
B
reverberation
C
natural frequency
D
Doppler effect
11) repeated echoes of sound
A
echo
B
overtone
C
reverberation
D
resonance
12) when an object begins vibrating because it absorbs energy from another vibrating object
A
natural frequency
B
resonance
C
reverberation
D
fundamental frequency
*select an answer for all questions
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