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Physics
Wave Equation Worksheet
Use the equations in the box to the right to solve the
following problems.
1.
The period of a wave is 5 s. Calculate its
frequency. (Answer: 0.2 Hz)
Equations
f= 1
T
f = frequency
T = period
T= 1
f
v = λf
v = speed
λ = wavelength
v= λ
T
2.
The period of a wave is 4 s. Calculate its
frequency. (Answer: 0.25 Hz)
3.
One cycle of a wave is 1.3 s long. What is its frequency? (Answer: 0.77 Hz)
4.
The frequency of a wave is 7 Hz. Find the period of the wave. (Answer: 0.14 s)
5.
The frequency of a wave is 0.4 Hz. Calculate the period. (Answer: 2.5 s)
6.
If the wavelength of a wave is 3 m and its frequency is 6 Hz, what is the speed of the
wave? (Answer: 18 m/s)
7.
An ocean wave is about 15 m long. Its period is 18 s.
a. Find the frequency of the wave. (Answer: 0.056 Hz)
b. Find the speed of the wave. (Answer: 0.83 m/s)
8.
As I was sitting on a dock, I noticed that the wavelength of the waves were about 6 m
long. The crest of each wave would pass the front of the dock every 8 s.
a. Find the frequency of the wave. (Answer: 0.125 Hz)
b. Find the speed of the wave. (Answer: 0.75 m/s)
9.
A wave is traveling at the speed of light, 3 x 108 m/s. If it has a frequency of 4 x 1015 Hz,
what is its wavelength? (Answer: 7.5 x 10-8 m)
10. What is the only way to change the speed of a wave?
11. If the speed of a wave stays constant, but the wavelength is increased, what happens to the
frequency?
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wave equation worksheet