Pick out the longest wavelength from the following types of radiations

Options :
  1. blue light
  2. gamma rays
  3. X- rays
  4. red light
Answer and Explanation :-

Answer: Option 4

Explanation:

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If there is nothing new under the sun, at least the sun itself is always new, always re-creating itself out of its own inexhaustible fire.
-Michael Sims Apollo's Fire: A Day on Earth in Nature and Imagination