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A radio wave has a wavelength of 150m. If the velocity of radio waves is...

Physics
WAEC 2002

A radio wave has a wavelength of 150m. If the velocity of radio waves is free spaces is 3 x 10\(^8\) ms\(^{-1}\), calculate the frequency of the radio wave

  • A. 4.50 x 1010Hz
  • B. 5.0 x 109Hz
  • C. 4.5 x 109Hz
  • D. 2.0 x 106Hz
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Correct Answer: Option D
Explanation

f = \(\frac{V}{\lambda} = \frac{3 \times 10^8}{150}\)

= 2.0 x 10\(^6\) Hz

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