Question

Light enters fro air to glass refractive index is 1.5 calculate speed of light in glass

Answer 1

Answer:

$4velocity \: of \: light \: in \: a \: \: medium = \frac{c}{u} \\ v \: = \frac{3 \times {10}^{8} }{1.5} = 2 \times {10}^{8}$

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