Question:

A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the angle of emergence and each of these angles is equal to 3/4 of the angle of the prism. The angle of deviation is

Options :

  • (a) 45 degree
  • (b) 39 degree
  • (c) 20 degree
  • (d) 30 degree

Answer :

(d) 30 degree

Answer Steps :

step 1

Video Tutorial