Q. 44.3( 11 Votes )

The refractive in

Answer :

Given: Refractive index of glass with respect to air ng= 3/2

Refractive index of water with respect to air nw = 4/3


Speed of light in glass = 2 x 108m/s


Applying the formula:



On calculating Speed of light in air = 3


Similarly



On calculating, speed of light in water = 2.25


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