Question

Assertion : Relative refractive Index of a medium can be less than unity.
Reason: The angle of incidence can be equal to angle of refraction.
(1) Both A and R are true and R is correct explanation of the assertion
(2) Both A and Rare true but R is not the correct explanation of the assertion
(3) A is true but R is false
(4) A is false but R is true​

Answer 1

Answer:

Both assertion and reason are true and reason is the correct explanation of assertion.

Hope it helps u my future physicist :)