Electromagnetic Waves - Result Question 23

23. The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is [2011]

(a) microwave, infrared, ultraviolet, gamma rays

(b) gamma rays, ultraviolet, infrared, microwaves

(c) microwaves, gamma rays, infrared, ultraviolet

(d) infrared, microwave, ultraviolet, gamma rays

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Answer:

Correct Answer: 23. (a)

Solution:

  1. (a) The decreasing order of the wavelengths is as given below :

microwave, infrared, ultraviolet, gamma rays.