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 497 Hz and travels in air at a speed of 342.4 m/sec. How far apart are any two adjacent wave compressions?
1.38 meters
8.39 meters
0.69 meters
1.45 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 meters. How fast are the waves traveling?
1.00 m/sec
8.0 m/sec
2.00 m/sec
16.0 m/sec
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Question 3
A wave has a speed of 190 m/sec and a wavelength of 4 meters. What is this wave's period?
2.11 x 10
-2
seconds
1.94 x 10
2
seconds
1.86 x 10
2
seconds
4.75 x 10
1
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 0.19 seconds. What is the wave's frequency?
2.63 x 10
0
Hz
5.26 x 10
0
Hz
1.32 x 10
0
Hz
7.6 x 10
-1
Hz
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Question 5
If the wavelength is 2.485 meters in
Question 4
, that how fast does the wave energy travel along the string?
6.54 x 10
0
m/sec
1.89 x 10
0
m/sec
1.31 x 10
1
m/sec
3.27 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 6.8 x 10
14
Hz. What is the approximate wavelength of the light?
4.41 x 10
-7
meters
2.27 x 10
6
meters
2.21 x 10
-7
meters
1.47 x 10
-15
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton