Question

The refractive index of glass is 1.5.
What is the speed of light in glass? Speed of light in vacuum is 3.8 x 10^8 m/s

Answer 1

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Be. Brainly.

@karangrover12.

Answer 2

refractive index=speed of light in vaccum÷speed of light in that medium
n=c÷v
so by cross multiplying
v=c÷n
speed of light in glass=3.8×10^8÷1.5=2.53 × 10^8m/s (approx).