Electromagnetic Waves question for JEE Main (JEE Main 2020 (4 Sep, Shift 1)), with solution

Answer: (B) $\lambda_{\text{radio waves}} > \lambda_{\text{micro waves}} > \lambda_{\text{visible}} > \lambda_{\text{x-rays}}$

In order of decreasing wavelength: radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays.

Solution by Sreeraj P, M.Sc Physics