Question

the speed of air and glass 3*10^8m/S and 2*10^8m/s what is the refractive index of glass​

Answer 1

Answer:

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Step-by-step explanation:

Refractive index, n =1.5

speed of light in glass, v =?

speed of light in vacuum, c = 3*10'8 m/s

n=c/v

v=c/n

v=3*10'8/1.5=2*10'8m/s