Question

goods costing & 5,000 destroyed by fire​

Answer 1

Answer:

in the direction of a light ray while entering different media is different it is related to the refractive index of the medium the value of the refractive index is different for different media and also for light of different colours for the same medium the refractive indices of some substances with respect to vacuum are given in the table the refractive index of a medium is with respect to vacuum is called its absolute refractive index refractive index depends on the velocity of light in the medium