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If the refractive index of glass is 1.5....

If the refractive index of glass is 1.5. Find the velocity of light in glass. (Velocity of light in vacuum `= 3 xx 10^(8) m//s`)

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We have, `mu=c/v`
`1.5=(3xx10^(8))/v`
`v=(3xx10^(8))/1.5=2xx10^(8)m//s`
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