Q93 / 180 · AIIMS 2013 · Physics

Assertion : When light ray is incident at polarising angle on glass, refracted light is partially polarised. Reason : The intensity of light decreases in polarisation.

  • A
    If both assertion and reason are true and reason is the correct explanation of assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • Correct answer
    D
    If both assertion and reason are false.

Solution

(d) : Light reflected (in the rarer medium) is completely polarised. The intensity of light does not change in polarisation.

Hence, the correct answer is option: 'D'.

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