A monochromatic ray of light passes from air to glass. The wavelength of light in air is λ, the speed of light in air is
A monochromatic ray of light passes from air to glass. The wavelength of light in air is λ, the speed of light in air is c and in glass is ν. If the absolute refractive index of glass is 1.5, write down (a) the relationship between and ν, (b) the wavelength of light in glass.
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(a) The relation between speed of light in air c and in glass v is given by
c/v = =1.5
(b) The wavelength of light in glass (λ1)
μ = λ/λ1 = λ/1.5
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