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 419 Hz and travels in air at a speed of 347.8 m/sec. How far apart are any two adjacent wave compressions?
1.66 meters
1.20 meters
7.67 meters
0.83 meters
omit
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 4.3 meters. How fast are the waves traveling?
0.86 m/sec
1.72 m/sec
21.5 m/sec
10.8 m/sec
omit
Question 3
A wave has a speed of 280 m/sec and a wavelength of 4.3 meters. What is this wave's period?
6.51 x 10
1
seconds
2.76 x 10
2
seconds
2.84 x 10
2
seconds
1.54 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 0.28 seconds. What is the wave's frequency?
1.79 x 10
0
Hz
1.12 x 10
0
Hz
3.57 x 10
0
Hz
8.93 x 10
-1
Hz
omit
Question 5
If the wavelength is 2.095 meters in
Question 4
, that how fast does the wave energy travel along the string?
3.74 x 10
0
m/sec
7.48 x 10
0
m/sec
1.87 x 10
0
m/sec
2.35 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 5.54 x 10
14
Hz. What is the approximate wavelength of the light?
5.42 x 10
-7
meters
1.81 x 10
-15
meters
1.85 x 10
6
meters
2.71 x 10
-7
meters
Copyright © 2007-2019
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton