Question

What is Brewster’s angle? Derive relation between Brewster angle and refractive index of medium which produces Plane Polarized light.

Answer 1

Brewster's angle is an angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface, with no reflection. When unpolarized light is incident at this angle, the light that is reflected from the surface is therefore perfectly polarized.

Answer 2

                         Brewster’s angle

• Brewster's point, or the polarizing point, is characterized as an edge at which an occurrence light emission light is reflected after complete polarization.
• The reflected light is directly polarized at the polarizing point by having its electric field vectors corresponding to opposite side of the incident plane and  the plane of reflecting surface.
• The reflected light is in part energized at different points.

• Brewster's point can be determined utilizing the accompanying condition. Where n is the refractive file of the mode of light reflection, qi being the incident angle, and qr being the refraction angle.

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