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 263 Hz and travels in air at a speed of 342.4 m/sec. How far apart are any two adjacent wave compressions?
6.05 meters
1.30 meters
2.60 meters
0.77 meters
omit
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 4.8 meters. How fast are the waves traveling?
1.60 m/sec
3.20 m/sec
14.4 m/sec
7.2 m/sec
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Question 3
A wave has a speed of 190 m/sec and a wavelength of 4.8 meters. What is this wave's period?
2.53 x 10
-2
seconds
1.85 x 10
2
seconds
1.95 x 10
2
seconds
3.96 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?
1.32 x 10
0
Hz
2.63 x 10
0
Hz
5.26 x 10
0
Hz
7.6 x 10
-1
Hz
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Question 5
If the wavelength is 1.315 meters in
Question 4
, that how fast does the wave energy travel along the string?
6.92 x 10
0
m/sec
9.99 x 10
-1
m/sec
3.46 x 10
0
m/sec
1.73 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 5.43 x 10
14
Hz. What is the approximate wavelength of the light?
1.81 x 10
6
meters
5.52 x 10
-7
meters
1.84 x 10
-15
meters
2.76 x 10
-7
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton