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JIPMER2006PhysicsRay Optics

A plane glass slab is kept over various colour letters, the letter which appears least raised is :

Options

  1. Ared
  2. Bviolet
  3. Cgreen
  4. Dblue

Correct answer

A. red

Step-by-step solution

Refractive index = real depth apparent depth For red colour, refractive index is minimum, i.e., it will have maximum apparent depth and hence, appears least raised.

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