Question

vii. 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:

Option c) P,R and S.

Explanation:

The total internal reflection occurs when the angle of reflection is greater than the critical angle of the medium which results in the ray to remain in the medium which results in no refraction or emerging of ray outside.

Here, in the rainbow reflection and refraction occurs due to the light entering the tiny drops of water which acts like prism. While for the rest total internal reflection occurs.

Answer 2

Answer:

only P, R, and S

Explanation:

I HOPE MAY I HELPS IT