1.

When light travels from air to another medium the speed of light reduces half. What is the refractive index of the mediu.

Answer»

ANSWER:

Refractive index (n) =

(velocity in vacuum or AIR)/(velocity in medium)

GIVEN velocity in air = c

Velocity in medium = c/2

n = c/(c/2) = 2

Refractive index n = 2



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