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The distance between two successive crests of a wave is 15cm and the velocity 300ms-1. ...

The distance between two successive crests of a wave is 15cm and the velocity 300ms-1. Calculate the frequency.
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  • A 2.0x102Hz
  • B 4.5x103Hz
  • C 2.0x103Hz
  • 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 103Hz

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