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NEET2019PhysicsRay OpticsActual

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?

Options

  1. A180 o
  2. B0 o
  3. Cequal to angle of incidence
  4. D90 o

Correct answer

D. 90 o

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