Physics PYQ 87 of 144 · Optics

Which of the following electromagnetic radiations has the maximum energy?

  1. AVisible light
  2. BInfrared rays
  3. CUltraviolet rays
  4. DX - Rays

UPPSC 2018

Show answer and explanation

Correct answer: (d) X - Rays

Explanation

In the electromagnetic spectrum, energy increases with frequency: infrared < visible < ultraviolet < X-rays < gamma rays.

Among the given options, X-rays have the shortest wavelength and highest frequency, hence the maximum energy.

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