Question

(i) “The refractive index of diamond is 2.42”. What is the meaning of this statement? (ii) Name a liquid whose mass density is less than that of water but it is optically denser than water.

Answer 1

the speed of light in diamond is 2.42
kerosene

Answer 2

it means that diamond has maximum capacity to deviate light from its path. kerosene is that liquid which is optically denser than water and has mass density less than water