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 404 Hz and travels in air at a speed of 344.8 m/sec. How far apart are any two adjacent wave compressions?
1.71 meters
0.85 meters
7.49 meters
1.17 meters
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Question 2
A fisherman notices that wave crests pass the bow of his anchored boat every 4 seconds. He measures the distance between two wave crests to be 5.7 meters. How fast are the waves traveling?
1.43 m/sec
2.85 m/sec
11.4 m/sec
22.8 m/sec
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Question 3
A wave has a speed of 230 m/sec and a wavelength of 5.7 meters. What is this wave's period?
2.24 x 10
2
seconds
2.36 x 10
2
seconds
4.04 x 10
1
seconds
2.48 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 0.23 seconds. What is the wave's frequency?
2.17 x 10
0
Hz
1.09 x 10
0
Hz
4.35 x 10
0
Hz
9.2 x 10
-1
Hz
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Question 5
If the wavelength is 2.02 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.86 x 10
0
m/sec
4.39 x 10
0
m/sec
8.78 x 10
0
m/sec
2.2 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 5.22 x 10
14
Hz. What is the approximate wavelength of the light?
5.75 x 10
-7
meters
1.92 x 10
-15
meters
2.88 x 10
-7
meters
1.74 x 10
6
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton