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NEET 2019, Physics Q23: Critical Angle and Total Internal Reflection

NEET2019Paper 2019Physics
Q.

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be angle of refraction?

  1. A

    180°

  2. B

    0°

  3. C

    Equal to angle of incidence

  4. D

    90°

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