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 463 Hz and travels in air at a speed of 344.2 m/sec. How far apart are any two adjacent wave compressions?
1.35 meters
0.74 meters
8.07 meters
1.49 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 4.4 meters. How fast are the waves traveling?
8.8 m/sec
1.10 m/sec
17.6 m/sec
2.20 m/sec
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Question 3
A wave has a speed of 220 m/sec and a wavelength of 4.4 meters. What is this wave's period?
2 x 10
-2
seconds
2.24 x 10
2
seconds
2.16 x 10
2
seconds
5 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 0.22 seconds. What is the wave's frequency?
8.8 x 10
-1
Hz
4.55 x 10
0
Hz
2.27 x 10
0
Hz
1.14 x 10
0
Hz
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Question 5
If the wavelength is 2.315 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.05 x 10
1
m/sec
2.63 x 10
0
m/sec
5.26 x 10
0
m/sec
2.04 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 5.83 x 10
14
Hz. What is the approximate wavelength of the light?
1.72 x 10
-15
meters
2.58 x 10
-7
meters
1.94 x 10
6
meters
5.15 x 10
-7
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton