Assertion : If the refractive index of the medium is high (denser medium) the velocity of the light in that medium will be small.
Reason : Refractive index of the medium is inversely proportional to the velocity of the light.
1
If both assertion and reason are true and reason is the correct explanation of assertion.
2
If both assertion and reason are true butreason is not the correct explanation of assertion.
3
Assertion is true but reason is false.
4
Assertion is false but reason is true.