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JEE Main 201511 AprilOnline
Exam
JEE Main
Year
2015
Date
11 April
Mode
Online
Subject
Physics
Chapter
Wave Optics

JEE Main 2015 · 11 April · Online · Physics · Wave Optics

Unpolarized light of intensity I _ 0 is incident on surface of a...

Unpolarized light of intensity I0{I}_{0} is incident on surface of a block of glass at Brewster's angle. In that case, which one of the following statements is true?

Options

  1. Atransmitted light is partially polarized with intensity I02\dfrac{{I}_{0}}{2}
  2. Btransmitted light is completely polarized with intensity less than I02\dfrac{{I}_{0}}{2}
  3. Creflected light is partially polarized with intensity I02\dfrac{{I}_{0}}{2}
  4. Dreflected light is completely polarized with intensity less than I02\dfrac{{I}_{0}}{2}

Correct answer

D. reflected light is completely polarized with intensity less than I02\dfrac{{I}_{0}}{2}

Step-by-step solution

By polarizations due to reflection at a polarising angle reflected light is completely polarise and the intensity is less than average intensity I02\dfrac{{I}_{0}}{2}.
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