Question

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

Answer 1

A ray of light is incident on the surface of a glass plate of thickness t. if the angle of incidence a is small, the emerging ray would be displaced sideways by an amount=?(let n be the refractive index of glass)

Answer 2

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