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Question
When unpolarised light beam is incident on glass from air, such that reflected beam is perpendicular to refracted beam, then
When unpolarised light beam is incident on glass from air, such that reflected beam is perpendicular to refracted beam, then
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Solution
The correct option is D reflected light is 100% polarised.
According to Brewster's law, when a beam of ordinary light (i.e. unpolarised) is reflected from a transparent medium (like glass), the reflected light is completely plane polarised at certain angle of incidence called the angle of polarisation.It has been observed experimentally that the reflected and refracted rays are at right angles to each other, when the light is incident at polarising angle.
According to Brewster's law, when a beam of ordinary light (i.e. unpolarised) is reflected from a transparent medium (like glass), the reflected light is completely plane polarised at certain angle of incidence called the angle of polarisation.It has been observed experimentally that the reflected and refracted rays are at right angles to each other, when the light is incident at polarising angle.
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