Question

The relative refractive index of glass with respect to water is

(speed of light in water=2.25×108m/s, speed of light in glass=2×108m/s) ...................
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Answer 1

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➢Refractive index of glass with respect to water is (9/8).

Answer 2

Relative refractive index of glass wrt water ,

g( n) w = nw / ng = v of g/v of w = 2 × 10^8 /2.25× 10^8

g( n) w = 8/9 = 0.88