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WorksheetsSound
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Sound is
a)
faster in speed than light
b)
produced by vibrations
c)
a form of power
d)
produced by movement
2.
The loudness of sound depends on:
a)
its amplitude.
b)
its time period.
c)
its frequency.
d)
its speed.
3.
An object is vibrating at 50 hertz. What is its time period?
a)
0.02s
b)
0.5s
c)
0.05s
d)
0.2s
4.
Loudness of sound is measured in units of
a)
decibel (dB)
b)
metre (m)
c)
hertz (Hz)
d)
second (s)
5.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
6.
A longer string makes a _______ pitch than a short string.
a)
louder
b)
softer
c)
higher
d)
lower
7.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
8.
If distance C on the diagram increased, what would happen to the pitch?
a)
The pitch would be louder.
b)
The pitch would be softer.
c)
The pitch would be higher.
d)
The pitch would be lower.
9.
A reflected sound wave is know as a/an ___________.
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
10.
Which of the following is the symbol used to denote frequency
a)
β (beta
b)
ν (nu)
c)
λ (lambda)
d)
μ (mu)
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