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What is the frequency of a radio wave of wavelength 150m if the velocity of radio waves ...

What is the frequency of a radio wave of wavelength 150m if the velocity of radio waves in free space is 3 x \(10^8ms^{-1}\)?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 4.5 x \(10^{10}\)Hz
  • B 5x \(10^{9}Hz\)
  • C 4.5 x \(10^{8}Hz\)
  • D 2 x \(10^{7}Hz\)
  • E 2 x \(10^{6}Hz\)
Correct Answer: Option E
Explanation:
V=f\(\lambda, f =\frac{v}{\lambda}= \frac{3\times10^8}{150}\Rightarrow 2\times10^6\)Hz

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