Easy MCQ +4 / -1 PYQ · JEE Mains 2021

Match List - I with List - II.

List I List II
(a) Source of microwave frequency (i) Radioactive decay of nucleus
(b) Source of infrared frequency (ii) Magnetron
(c) Source of Gamma Rays (iii) Inner shell electrons
(d) Source of X-rays (iv) Vibration of atoms and molecules
(v) LASER
(vi) RC circuit


Choose the correct answer from the options given below :

  1. A (a)-(vi), (b)-(v), (c)-(i), (d)-(iv)
  2. B (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii) Correct answer
  3. C (a)-(ii), (b)-(iv), (c)-(vi), (d)-(iii)
  4. D (a)-(vi), (b)-(iv), (c)-(i), (d)-(v)

Solution

(a) Source of microwave frequency - (ii) Magnetron<br><br>(b) Source of infra red frequency - (iv) Vibration of atom and molecules<br><br>(c) Source of gamma ray - (i) Radio active decay of nucleus<br><br>(d) Source of X-ray - (iii) inner shell electron

About this question

Subject: Physics · Chapter: Electromagnetic Waves · Topic: EM Spectrum

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