Question

A light ray strikes a flat, L = 4.4 cm thick block of glass (n =...

A light ray strikes a flat, L = 4.4 cm thick block of glass (n = 1.5)in the figure below at an angle of

θ = 33° with the normal.

Find the angles of incidence and refraction at each surface.

I need the the incidence top and refraction/ bottom . Got the other two, and can you show how you get them?

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