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WorksheetsSound and Light Review
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Electromagnetic waves are:
a)
Transverse waves
b)
Longitudinal waves
2.
Which of these electromagnetic waves has the shortest wavelength?
a)
Infrared Waves
b)
Light waves
c)
Radio waves
d)
X-rays
3.
Which of the following waves are different from the others?
a)
Gamma waves
b)
Radio waves
c)
Sound waves
d)
Light waves
4.
The main difference between a radio wave and a light wave is its:
a)
Speed
b)
Wavelength
5.
The source of all electromagnetic waves is:
a)
Magnetic fields
b)
Heat
c)
Vibrating charges
d)
Fields
6.
Compared to its speed in air, the speed of light in water is:
a)
Faster
b)
The same
c)
Slower
7.
Glass is transparent to visible light, but not to:
a)
Ultraviolet
b)
Infrared
c)
Both A and B
8.
The primary purpose of polarized sunglasses is to:
a)
Block ultraviolet rays
b)
Block infrared rays
c)
To block glare from reflections
d)
To look cool
9.
Light does not pass through which kind of materials?
a)
Transparent
b)
Opaque
10.
Compared to the speed of light, sound travels:
a)
Faster
b)
The same speed
c)
Slower
11.
Sound waves are produced by:
a)
Radio Stations
b)
Vibrating objects
c)
Soft objects
d)
Objects under pressure
12.
A sound wave is a:
a)
Standing wave
b)
Longitudinal wave
c)
Shock wave
d)
Transverse wave
13.
Sound waves cannot travel in:
a)
Water
b)
Air
c)
Steel
d)
A vaccuum
14.
Noise-cancelling headphones are an example of:
a)
Destructive interference
b)
Constructive interference
c)
Beats (R) by Dr. Dre
d)
Resonance
15.
The phenomenon of beats results from sound:
a)
Interference
b)
Reflection
c)
Refraction
16.
Beats can be heard when two tuning forks:
a)
Are sounded together
b)
Have almost the same frequency and are sounded together
c)
Have the same frequency and are sounded together
17.
The Tacoma Narrows Bridge collapsed due to:
a)
Resonance
b)
Beats
c)
Frequency Modulation
d)
Destructive Interference
18.
A sound wave that has a wavelength of 2m in room-temperature air has a frequency of about:
a)
170 Hz
b)
1360 Hz
c)
2040 Hz
d)
None of the above
19.
A tuning fork with a frequency of 320 Hz resonates at a wavelength of 1 m. What is the speed?
a)
320 m/s
b)
640 m/s
c)
.003125 m/s
d)
.00625 m/s
20.
A bell rings with a frequency of 255 Hz. The sound's speed is 340 m/s. What is its wavelength?
a)
1.25 m
b)
1.25 km
c)
.75 m
d)
.75 km
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