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 411 Hz and travels in air at a speed of 347.2 m/sec. How far apart are any two adjacent wave compressions?
1.69 meters
1.18 meters
7.58 meters
0.84 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 9.8 meters. How fast are the waves traveling?
1.96 m/sec
3.92 m/sec
24.5 m/sec
49.0 m/sec
omit
Question 3
A wave has a speed of 270 m/sec and a wavelength of 9.8 meters. What is this wave's period?
2.76 x 10
^{1}
seconds
2.8 x 10
^{2}
seconds
2.6 x 10
^{2}
seconds
3.63 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 0.27 seconds. What is the wave's frequency?
1.85 x 10
^{0}
Hz
3.7 x 10
^{0}
Hz
9.26 x 10
^{-1}
Hz
1.08 x 10
^{0}
Hz
omit
Question 5
If the wavelength is 2.055 meters in
Question 4
, that how fast does the wave energy travel along the string?
3.81 x 10
^{0}
m/sec
2.22 x 10
^{0}
m/sec
7.61 x 10
^{0}
m/sec
1.9 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 4.66 x 10
^{14}
Hz. What is the approximate wavelength of the light?
6.44 x 10
^{-7}
meters
3.22 x 10
^{-7}
meters
2.15 x 10
^{-15}
meters
1.55 x 10
^{6}
meters
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William A. Hilburn
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Application Programmer
Mark Acton