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JEE Main2010PhysicsElectromagnetic WavesActual

If a source of power 4 ~kW produces 10²⁰ photons/second, the radiation belong to a part of the spectrum called

Options

  1. AX-rays
  2. Bultraviolet rays
  3. Cmicrowaves
  4. D-rays

Correct answer

A. X-rays

Step-by-step solution

aligned & 4 10^3=10²⁰ xhf & f= 4 10^3 10²⁰ 6.023 10⁻³⁴ & f=6.03 10¹⁶ ~Hz aligned The obtained frequency lies in the band of X-rays.

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