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Green light of wavelength 5640 in incide...

Green light of wavelength 5640 in incident on an airglass interface. If the refractive index of glass is 1.5 what will be the wavelength of light in glass?

Text Solution

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wavelength of the light in air, `lambda_(0)` = 5460 Å
Refractive index of glass with respect to air, `mu = 1.5`
If the wavelength of the light in glass is `lambda`, then
`mu = (lambda_(0))`
`or, " " lambda = (lambda_(0))/(mu) = (5460)/(1.5) = 3640` Å
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