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Question 20195
JEE Physics · Medium

Electromagnetic Waves and Wave Optics: EM Wave — Transverse Nature MCQ

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EM Wave — Transverse NatureMediumQuestion 20195

Question

The fact that light can be polarised proves that it is:
  1. A
    Longitudinal
  2. B
    Transverse
    Correct
  3. C
    Both longitudinal and transverse
  4. D
    Neither

Correct answer

Transverse

Explanation

Polarisation can only occur for transverse waves (oscillations perpendicular to propagation). Longitudinal waves (like sound) cannot be polarised because oscillations are along the propagation direction.

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