Question

15. A boy uses blue colour of light to find the refractive
index of glass. He then repeats the experiment using
red colour of light. Will the refractive index be the
same or different in the two cases ? Give a reason
to support your answer.
(2016)​

Answer 1

Answer:

Refractive index will be different in these two cases i.e., μ  

B >μ  R

​  

 (In glass).

Reason: In glass, speed of red light is greater than speed of blue light.

Answer 2

Answer:

it will be different

Explanation:

because red light is diverted (bent) least by prism as compared to blue light