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Ch. 17-Part 2
Test Description: Review and Current
Instructions: Answer all questions to get your test result.
1) Which one of the following is NOT an example of an electromagnetic wave?
A
red light
B
x-rays
C
gamma rays
D
sound wave
2) Destructive interference is when the ______________________ of one wave meets the ____________________ of another.
A
crest-to-crest
B
crest-to-trough and crest-trough
C
crest-to-crest and trough-to-trough
D
crest -to-trough
3) What types of waves have compression and rarefaction?
A
mechanical waves
B
transverse waves
C
electromagnetic waves
D
compressional waves
4) Sound waves are a collection of _________________ and _______________________.
A
compression and rarefaction
B
mechanical and compression
C
mechanical and rarefaction
D
compression and refraction
5) When two ends of a tuning fork move outward, it creates an area of ______________ density.
A
medium
B
no
C
low
D
high
6) When two ends of a tuning fork move inward, it creates an area of _____________ density.
A
low
B
high
C
medium
D
no
7) The low density associated with a tuning fork is _______________________.
A
compression
B
frequency
C
rarefaction
D
Doppler effect
8) in air, the speed of sound is referred to as __________________.
A
3,000,000 m/s
B
2,000,000 m/s
C
325 m/s
D
340 m/s
9) Air as related to the speed of sound moves ______________ to _________________.
A
vertically and horizontally
B
right to left
C
left to right
D
both b and c
10) What is the human perception of how much energy a sound wave carries called ?
A
amplitude
B
frequency
C
pitch
D
loudness
11) frequencies that are multiples of the fundamental frequency
A
overtone
B
resonance
C
pitch
D
natural frequencies
12) corresponds to the frequency of the sound: how high or low a sound sounds
A
pitch
B
beat
C
resonance
D
overtone
*select an answer for all questions
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