the refractive index of a glass in 1.5 .what is the speed of light in mediam.??
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Explanation:
n1=refractive index of air
n2=refractive index of water
=> n1/n2 = speed of light in glass /speed of light in air
=> 1/1.5=speed of light in glass/3×10^8
Speed of light in glass medium =2×10^8 m/s
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