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KVPY2014PhysicsRay Optics

A ray of light incident paralled to the base PQ of an isosceles right-angled triangular prism PQR suffers two successive total internal reflections at the faces P Q and QR before emerging reversed in direction as shown If the refractive index of the material of the prism is , then

Options

  1. A> 5
  2. B3 < < 5
  3. C2 < < 5
  4. D< 2

Correct answer

A. > 5

Step-by-step solution

also array ll & 45+r>C & 45-r>C & 90>C & > 2 array

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