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Light of wavelength 4500^(@) in air is i...

Light of wavelength `4500^(@)` in air is incident on a plane boundary between air and another medium at an angle `30^(@)` with the plane boundary. As it enters from air into the other medium, it deviates by `15^(@)` s towards the normal Find refractive index of the medium and also the wavelength of given light in the medium.

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