Question:

The angle of incidence for a ray of light at a refracting surface of a prism is 45°. The angle of prism is 60°. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively,are

Options :

  • (a) 40 degree, 1/√2
  • (b) 30 degree,√2
  • (c) 45 degree, √2
  • (d) 30 degree, 1/√2

Answer :

(b) 30 degree,√2

Answer Steps :

step 1

step 2

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