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 318 Hz and travels in air at a speed of 348.4 m/sec. How far apart are any two adjacent wave compressions?
0.91 meters
1.10 meters
2.19 meters
6.66 meters
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Question 2
A fisherman notices that wave crests pass the bow of his anchored boat every 5 seconds. He measures the distance between two wave crests to be 6.5 meters. How fast are the waves traveling?
1.30 m/sec
2.60 m/sec
32.5 m/sec
16.3 m/sec
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Question 3
A wave has a speed of 290 m/sec and a wavelength of 6.5 meters. What is this wave's period?
4.46 x 10
1
seconds
2.84 x 10
2
seconds
2.24 x 10
-2
seconds
2.97 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 0.29 seconds. What is the wave's frequency?
8.62 x 10
-1
Hz
1.16 x 10
0
Hz
1.72 x 10
0
Hz
3.45 x 10
0
Hz
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Question 5
If the wavelength is 1.59 meters in
Question 4
, that how fast does the wave energy travel along the string?
2.74 x 10
0
m/sec
5.48 x 10
0
m/sec
1.37 x 10
0
m/sec
1.84 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 4.72 x 10
14
Hz. What is the approximate wavelength of the light?
3.18 x 10
-7
meters
6.35 x 10
-7
meters
1.57 x 10
6
meters
2.12 x 10
-15
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton