Question

Refractive index of glass is 1.5 calculate the velosity of light in glass

Answer 1

The refractive index of glass is 1.5. If the speed of light in a vacuum is 3* (10)^ 8 m/s, then what is the speed of light in glass?


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Answer 2

HI HERE IS YOUR ANSWER DEAR.

SPEED OF LIGHT IN AIR = 3 × 10^8 M/S

REFRACTIVE INDEX = C / V

1.5 = 3 × 10^8/V

V = 3 × 10 ^ 8/1.5

V = 2 × 10 ^ 8 M/S