If the object inside the box was made of a material with a refractive index less than 1.5 then the 

(A) lateral shift of the rays would have been less. 

(B) lateral shift of the rays would have been more. 

(C) lateral shift of the rays would remain the same as before. 

(D) there is not enough information to comment on any of the above statements

 

Answer - 

Now,

  • Greater the refractive index , smaller the angle of refraction
  • If we decrease the refractive index, the angle of refraction increases
  • This lateral shift of rays will be less, shift will be less because of angle of refraction is becoming equal to angle of incidence

Angle of Refraction and Lateral shift-01.jpg

So, the correct answer is (a)

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo