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 468 Hz and travels in air at a speed of 343 m/sec. How far apart are any two adjacent wave compressions?
1.36 meters
8.11 meters
1.47 meters
0.73 meters
omit
Question 2
A fisherman notices that wave crests pass the bow of his anchored boat every 5 seconds. He measures the distance between two wave crests to be 4.3 meters. How fast are the waves traveling?
0.86 m/sec
21.5 m/sec
10.8 m/sec
1.72 m/sec
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Question 3
A wave has a speed of 200 m/sec and a wavelength of 4.3 meters. What is this wave's period?
4.65 x 10
^{1}
seconds
2.15 x 10
^{-2}
seconds
2.04 x 10
^{2}
seconds
1.96 x 10
^{2}
seconds
omit
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?
2.5 x 10
^{0}
Hz
5 x 10
^{0}
Hz
8 x 10
^{-1}
Hz
1.25 x 10
^{0}
Hz
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Question 5
If the wavelength is 2.34 meters in
Question 4
, that how fast does the wave energy travel along the string?
5.85 x 10
^{0}
m/sec
1.17 x 10
^{1}
m/sec
2.93 x 10
^{0}
m/sec
1.87 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 5.67 x 10
^{14}
Hz. What is the approximate wavelength of the light?
5.29 x 10
^{-7}
meters
1.76 x 10
^{-15}
meters
2.65 x 10
^{-7}
meters
1.89 x 10
^{6}
meters
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William A. Hilburn
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Application Programmer
Mark Acton