Question: A laserbeam in air strikes the flat surface of a sheet of glass (n g = 1.50) at an angle of incidence of 30.0. Rather

A laserbeam in air strikes the flat surface of a sheet of glass (n_g = 1.50) at an angle of incidence of 30.0°. Rather than continuing straight into the glass the beam bends toward the normal through an angle θ_d, called the deviation angle. Determine that angle.

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