Practice Problems
Wave Fundamentals
Directions:
On this worksheet, you will deal with the fundamental definitions of waves.
omit
Question 1
A sound wave has a frequency of 313 Hz and travels in air at a speed of 343 m/sec. How far apart are any two adjacent wave compressions?
6.56 meters
1.10 meters
2.19 meters
0.91 meters
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Question 2
A fisherman notices that wave crests pass the bow of his anchored boat every 3 seconds. He measures the distance between two wave crests to be 6.4 meters. How fast are the waves traveling?
2.13 m/sec
4.27 m/sec
9.6 m/sec
19.2 m/sec
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Question 3
A wave has a speed of 200 m/sec and a wavelength of 6.4 meters. What is this wave's period?
1.94 x 10
^{2}
seconds
3.2 x 10
^{-2}
seconds
3.13 x 10
^{1}
seconds
2.06 x 10
^{2}
seconds
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Question 4
A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.2 seconds. What is the wave's frequency?
1.25 x 10
^{0}
Hz
8 x 10
^{-1}
Hz
5 x 10
^{0}
Hz
2.5 x 10
^{0}
Hz
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Question 5
If the wavelength is 1.565 meters in
Question 4
, that how fast does the wave energy travel along the string?
3.91 x 10
^{0}
m/sec
7.83 x 10
^{0}
m/sec
1.96 x 10
^{0}
m/sec
1.25 x 10
^{0}
m/sec
omit
Question 6
Light has a speed in a vacuum of 3 x 10
^{8}
m/s. The frequency of visible light is about 7.19 x 10
^{14}
Hz. What is the approximate wavelength of the light?
1.39 x 10
^{-15}
meters
2.4 x 10
^{6}
meters
2.09 x 10
^{-7}
meters
4.17 x 10
^{-7}
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton