Practice Problems
Wave Fundamentals
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Question 1
A sound wave has a frequency of 501 Hz and travels in air at a speed of 347.2 m/sec. How far apart are any two adjacent wave compressions?
0.69 meters
1.39 meters
1.44 meters
8.48 meters
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Question 2
A fisherman notices that wave crests pass the bow of his anchored boat every 6 seconds. He measures the distance between two wave crests to be 3.1 meters. How fast are the waves traveling?
18.6 m/sec
1.03 m/sec
9.3 m/sec
0.52 m/sec
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Question 3
A wave has a speed of 270 m/sec and a wavelength of 3.1 meters. What is this wave's period?
2.73 x 10
^{2}
seconds
2.67 x 10
^{2}
seconds
1.15 x 10
^{-2}
seconds
8.71 x 10
^{1}
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 0.27 seconds. What is the wave's frequency?
3.7 x 10
^{0}
Hz
1.08 x 10
^{0}
Hz
9.26 x 10
^{-1}
Hz
1.85 x 10
^{0}
Hz
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Question 5
If the wavelength is 2.505 meters in
Question 4
, that how fast does the wave energy travel along the string?
2.32 x 10
^{0}
m/sec
9.28 x 10
^{0}
m/sec
2.71 x 10
^{0}
m/sec
4.64 x 10
^{0}
m/sec
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Question 6
Light has a speed in a vacuum of 3 x 10
^{8}
m/s. The frequency of visible light is about 4.55 x 10
^{14}
Hz. What is the approximate wavelength of the light?
6.59 x 10
^{-7}
meters
2.2 x 10
^{-15}
meters
3.3 x 10
^{-7}
meters
1.52 x 10
^{6}
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton