Question

4. If the speed of light in glass is 2 x 108 m/s, what will be the speed of light in water?
(The refractive index of glass with respect to water is 9/8)​

Answer 1

Answer:

2.5 × 10'8

m2/ m1 = v2/v1 where v is velocity & m= reflective index.

Answer 2

Answer:

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