A Prove That A Ray Of Light Incident On The

(a) Prove that a ray of light incident on the surface of a sheet of plate glass of thickness emerges from the opposite face parallel to its initial direction but displaced sideways, as in Figure

(b) Show that, for small angles of incidence θ, this displacement is given by

x = n – 1/n,

Where is the index of refraction of the glass and θ is measured in radians.

(a) Prove that a ray of light incident on the

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