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The refractive index of glass is 1.50 an...

The refractive index of glass is 1.50 and the speed of light in air is `3xx10^(8)m//s`. Calculate the speed of light in glass.

Text Solution

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Since refractive index = n
`=("Speed of light in vaccum")/("Speed of light in the medium")=(c )/(v)`
we have, `v=(c )/(n)=(3xx10^(8))/(1.50)=2xx10^(8)m//s`
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