Question

The frequency of a wave propagating in D-region having refractive index is 0.5 is

  • 400 Kc/s
  • 300 Kc/s
  • 207.33 Kc/s (Correct Answer)
  • NONE OF THESE

Answer is "207.33 Kc/s"

2 Answer and explanations

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194
Andrew

please anyone explain this answer

204
Zoe

please explain answer

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