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 307 Hz and travels in air at a speed of 342.4 m/sec. How far apart are any two adjacent wave compressions?
1.12 meters
2.23 meters
6.49 meters
0.90 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 6.2 meters. How fast are the waves traveling?
4.13 m/sec
9.3 m/sec
18.6 m/sec
2.07 m/sec
omit
Question 3
A wave has a speed of 190 m/sec and a wavelength of 6.2 meters. What is this wave's period?
1.84 x 10
2
seconds
3.06 x 10
1
seconds
3.26 x 10
-2
seconds
1.96 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 0.19 seconds. What is the wave's frequency?
5.26 x 10
0
Hz
1.32 x 10
0
Hz
2.63 x 10
0
Hz
7.6 x 10
-1
Hz
omit
Question 5
If the wavelength is 1.535 meters in
Question 4
, that how fast does the wave energy travel along the string?
1.17 x 10
0
m/sec
4.04 x 10
0
m/sec
8.08 x 10
0
m/sec
2.02 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 6.1 x 10
14
Hz. What is the approximate wavelength of the light?
2.46 x 10
-7
meters
1.64 x 10
-15
meters
4.92 x 10
-7
meters
2.03 x 10
6
meters
Copyright © 2007-2023
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton