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 329 Hz and travels in air at a speed of 341.8 m/sec. How far apart are any two adjacent wave compressions?
6.71 meters
1.04 meters
2.08 meters
0.96 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?
2.53 m/sec
5.7 m/sec
11.4 m/sec
1.27 m/sec
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Question 3
A wave has a speed of 180 m/sec and a wavelength of 3.8 meters. What is this wave's period?
1.76 x 10
2
seconds
1.84 x 10
2
seconds
4.74 x 10
1
seconds
2.11 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 0.18 seconds. What is the wave's frequency?
1.39 x 10
0
Hz
2.78 x 10
0
Hz
5.56 x 10
0
Hz
7.2 x 10
-1
Hz
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Question 5
If the wavelength is 1.645 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.18 x 10
0
m/sec
9.14 x 10
0
m/sec
4.57 x 10
0
m/sec
2.28 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 4.82 x 10
14
Hz. What is the approximate wavelength of the light?
2.07 x 10
-15
meters
1.61 x 10
6
meters
3.11 x 10
-7
meters
6.22 x 10
-7
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton