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 528 Hz and travels in air at a speed of 343.6 m/sec. How far apart are any two adjacent wave compressions?
0.65 meters
1.54 meters
1.30 meters
8.72 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 3.8 meters. How fast are the waves traveling?
5.7 m/sec
1.27 m/sec
2.53 m/sec
11.4 m/sec
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Question 3
A wave has a speed of 210 m/sec and a wavelength of 3.8 meters. What is this wave's period?
2.14 x 10
2
seconds
5.53 x 10
1
seconds
1.81 x 10
-2
seconds
2.06 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 0.21 seconds. What is the wave's frequency?
8.4 x 10
-1
Hz
4.76 x 10
0
Hz
1.19 x 10
0
Hz
2.38 x 10
0
Hz
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Question 5
If the wavelength is 2.64 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.26 x 10
1
m/sec
6.29 x 10
0
m/sec
2.22 x 10
0
m/sec
3.14 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 5.32 x 10
14
Hz. What is the approximate wavelength of the light?
2.82 x 10
-7
meters
1.88 x 10
-15
meters
1.77 x 10
6
meters
5.64 x 10
-7
meters
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William A. Hilburn
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