1.

Assertion (A) : SI unit of refractive index is m s^(-1) Reason (R) : Glass is said to be optically denser thn kerosene because optical density of glass is greater than that of kerosene.

Answer»

Both (A) and (R) are true and (R) is correct explanation of the ASSERTION.
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is FALSE.
(A) is false but (R) is true.

Solution :REFRACTIVE INDEX is a unitless QUANTITY


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