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MHT CET2010PhysicsRay Optics

A glass slab of thickness t and refractive index . Calculate the time taken by light to travel this thickness.

Options

  1. At c
  2. Bt c
  3. Ct c
  4. Dt c

Correct answer

D. t c

Step-by-step solution

Time taken by light ray to pass through glass slab = t c where t= geometrical path t= optical path

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