Question

Multiple Choice Questions
. A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the
boundary of medium Y at an angle of
(a) 120°
(b) 90°
(c) 45°
(d) 0°​

Answer 1

Answer:

0 degree

Explanation:

is the answer bro

Answer 2

Answer:

no refraction occurs at an angle of 90 degree as light remain perpendicular to the medium