Q. 4 A4.2( 48 Votes )

# Solve the following examples.If the speed of light in a medium is 1.5 x 108 m/s, what is the absolute refractive index of the medium?

Absolute refractive index of medium is with respect to air.

So absolute refractive index of medium μ =

Speed of light in air = 3 x 108 m/s

Speed of light in the given medium = 1.5 x 108 m/s

Absolute refractive index of medium μ =

So μ = 2

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