Question

Q1. The unit of refractive index?

(a) m s/
(b) m s/ 2
(c) Unit less
(d) m/ s 1.5

Q2. A ray of light passes from a medium A to another medium B . No bending of light occurs if the ray of light his the boundary of medium B at an angle of

(a) 0 degree
(b) 60degree
( c ) 45 degree
( d ) None of the above


PLEASE ANSWER ​

Answer 1

Q1. c) unit less
Q2.) a) 0 degree
Hope it helps and plz make this answer the branliest

Answer 2

Answer:

Hey mate here is Ur answer.

Mark as brainly if u find this answer useful..

Explanation:

1) unit of refractive index is Unit less

since it is a ratio of velocity and velocity of light in vaccum

2) 90°