Question

i.
Consider following phenomena/
applications: P) Mirage, Q) rainbow.
R) Optical fibre and S) glittering of a
diamond. Total internal reflection is
involved in
(A) Only R and S (B) Only R
(C) Only P, R and S (D) all the four​

Answer 1

Answer:

(A) Only R and S

Explanation:

Its because optical fibres and diamonds allow the light to enter them by making angle of incidence more than the critical angle hence , total internal reflection takes place in aforementioned cases.