The correct order of electromagnetic spectrum with decreasing frequency is:

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Agniveer Vayu Science (Group X) 19 Jan 2023 Memory-Based Paper
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  1. Microwaves, Radiowaves, Infrared rays, Ultraviolet rays, X–rays
  2. Radiowaves, Infrared rays, Ultraviolet rays, Microwaves, X–rays
  3. X–rays, Infrared rays, Microwaves, Radiowaves, Ultraviolet rays
  4. X–rays, Ultraviolet rays, Infrared rays, Microwaves, Radiowaves

Answer (Detailed Solution Below)

Option 4 : X–rays, Ultraviolet rays, Infrared rays, Microwaves, Radiowaves
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Electromagnetic (EM) spectrum: 

The electromagnetic (EM) spectrum is the range of all types of EM radiation arranged according to frequency or wavelength.

  • In order of  decreasing wavelength or increasing frequency these are:
  • radio waves radiation, microwave radiation, infrared, visible light, ultraviolet, X-rays, and gamma rays.
  •  

F1 J.K 27.8.20 Pallavi D7

Analysis

The correct order of electromagnetic spectrum with decreasing frequency is:

X–rays > Ultraviolet rays > Infrared rays > Microwaves > Radiowaves

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