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The refractive index of glass is 1.5 for...

The refractive index of glass is `1.5` for light waves of `lambda = 6000 Å` in vaccume. Calculate their wave length in glass.

Text Solution

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As `mu = (c )/(v) = (v Lambda_(v))/(v lambda_(g))`
`:. lambda_(g) (lambda_(v))/(mu) = (6000)/(1.5) = 4000 Å`
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