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Unpolarised light incident on transparent glass at incident angle 60°. If reflected ray is completely polarised, then angle of refraction is

Option 1 -

45°

Option 2 -

60°

Option 3 -

30°

Option 4 -

37°

0 1 View | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 3


    Detailed Solution:

    By Brewsters law

    m = tani

    m =   3

    1 * 3 2 = 3 * s i n r

    s i n r = 1 2    

    r = 30°

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