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

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
  • B. 4.5x103Hz
  • C. 2.0x103Hz
  • D. 4.5x102Hz
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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

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts