Question:

A prism of refractive index n and angle A is placed in the minimum deviation position. If the angle of minimum deviation is A, then the value of A in terms of n is

Options :

  • (a) sin -1(n/2)
  • (b) sin-1√n-1/2
  • (c) 2cos-1(n/2)
  • (d) cos-1(n/2)

Answer :

(c) 2cos-1(n/2)

Answer Steps :

step 1

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