Physics
JAMB 2014
The distance between two successive crests of a wave is 15cm and the velocity 300ms
-1. Calculate the frequency.
-
A.
2.0x102Hz
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B.
4.5x103Hz
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C.
2.0x103Hz
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D.
4.5x102Hz
Correct Answer: Option C
Explanation
Wavelength = 15cm = 0.15m
Velocity = 300m/s
V = fx
F = V/Wavelength
F = 300/0.15 Hertz
F = 2 x 10
3Hz
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