question_answer 35)

  Figure shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is                 (a)                                  (b)                                  (c)                                  (d)

Answer:

                  (A) Given, angle of incidence, i = 60°, angle of refraction, r = 45° Refractive index of the medium B relative to medium A,