Question

For this question Mark
(a) if Both (A) and (R) are correct and (R )is the correct explanation of (A).
(b) if Both (A) and (R) are correct but (R) is not the correct explanation of (A).
(c) if (A) is correct and (R) is incorrect.
(d)if (A) is incorrect and (R) is correct.
Assertion (A) : S.I. unit of refractive index is m/s.
Reason (R) : Glass is said to be optically denser than kerosene because optical density of glass is greater than that of kerosene.​

Answer 1

d)

Have a nice day mate

Hope it helps

Answer 2

Answer:

AREEE TU X-E WALA H YA X-B WALA ❓❓❓❓