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 435 Hz and travels in air at a speed of 344.8 m/sec. How far apart are any two adjacent wave compressions?
1.26 meters
1.59 meters
7.80 meters
0.79 meters
omit
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 4.7 meters. How fast are the waves traveling?
9.4 m/sec
1.18 m/sec
2.35 m/sec
18.8 m/sec
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Question 3
A wave has a speed of 230 m/sec and a wavelength of 4.7 meters. What is this wave's period?
2.04 x 10
-2
seconds
4.89 x 10
1
seconds
2.25 x 10
2
seconds
2.35 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 0.23 seconds. What is the wave's frequency?
9.2 x 10
-1
Hz
1.09 x 10
0
Hz
4.35 x 10
0
Hz
2.17 x 10
0
Hz
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Question 5
If the wavelength is 2.175 meters in
Question 4
, that how fast does the wave energy travel along the string?
9.46 x 10
0
m/sec
2.36 x 10
0
m/sec
2 x 10
0
m/sec
4.73 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 4.98 x 10
14
Hz. What is the approximate wavelength of the light?
6.03 x 10
-7
meters
2.01 x 10
-15
meters
1.66 x 10
6
meters
3.02 x 10
-7
meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton