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Q. No. 24
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velocity of light in air =3×10^8
refractive index = speed of light in air /speed of light in glass
speed of light in glass= 3×10^8/1.5 = 2×10^8
refractive index = speed of light in air /speed of light in glass
speed of light in glass= 3×10^8/1.5 = 2×10^8
twinkle1709:
But the question is asking the ratio of velocity of light in air & glass
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