A ray of light travelling i a glass medium of refractive index = 3/2 is incident on a horizontal glass air surface at critical angle'C' .
If a thin layer of water with refractive index=4/3 is added over the glass surface,then find the angle with normal ray at which the light ray emerges out from the water air surface
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dear Mr Lee I am a very good at it again in the future of fashion technology and the other hand the rest of your website is not a good day please see attached for your email and an=3/2 is now =4/3
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