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A ray of light falls on a transparent glass plate. A part of it is reflected and a part is refracted. The reflected and refracted rays can be perpendicular to each other for

A ray of light falls on a transparent glass plate. A part of it is reflected and a part is refracted. The reflected and refracted rays can be perpendicular to each other for Correct Answer only one angle of incidence

CONCEPT:

  • Brewster's law: It states that at any particular angle of incidence, reflected ray is completely polarized; and the angle between reflected and refracted ray is 90°.

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  • This is the only angle of incidence to do so.
  • Also known as the polarizing angle.
  • θB = Brewster angle.

 

EXPLANATION:

  • Reflected ray and refracted ray makes an angle of 900 at one angle of incidence.

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