Practice Problems
Wave Fundamentals
omit
Question 1
A sound wave has a frequency of 343 Hz and travels in air at a speed of 344.8 m/sec. How far apart are any two adjacent wave compressions?
0.99 meters
2.01 meters
6.88 meters
1.01 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 3.8 meters. How fast are the waves traveling?
2.53 m/sec
11.4 m/sec
5.7 m/sec
1.27 m/sec
omit
Question 3
A wave has a speed of 230 m/sec and a wavelength of 3.8 meters. What is this wave's period?
6.05 x 10
^{1}
seconds
2.34 x 10
^{2}
seconds
2.26 x 10
^{2}
seconds
1.65 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
4.35 x 10
^{0}
Hz
2.17 x 10
^{0}
Hz
1.09 x 10
^{0}
Hz
omit
Question 5
If the wavelength is 1.715 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.58 x 10
^{0}
m/sec
1.86 x 10
^{0}
m/sec
7.46 x 10
^{0}
m/sec
3.73 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 5.29 x 10
^{14}
Hz. What is the approximate wavelength of the light?
5.67 x 10
^{-7}
meters
2.84 x 10
^{-7}
meters
1.89 x 10
^{-15}
meters
1.76 x 10
^{6}
meters
Copyright © 2007-2017
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton