PHYSICS- LIGHT (CLASS 10)

Question

Assertion(A): As the refractive index of a medium increases, speed of light in that medium decreases

Answer 1

4. Both Assertion(A) and Reason(R) is correct.

Answer 2

The correct answer of 4 is

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

The correct answer of 5 is

Convex mirror are used as rear view mirror in vehicles because it gives wider field of view. The field view of a convex mirror is large and it forms a diminished image so that the vehicles coming from behind can be observed. So, A and R are correct, and R is the correct explanation of A.