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Polarization By Reflection And Brewster's Law - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
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EASYThe angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index, n), is
Concepts Covered - 1
Polarization of light by reflection
Brewster’s law-
Brewster discovered that when a beam of unpolarized light is reflected from a transparent medium (refractive index $=\mu$ ), the reflected light is completely plane polarised at a certain angle of incidence (called the angle of polarisation i.e $\theta_p$ ).
And also $\mu=\tan \theta_p$.
i.e For $i=\theta_P$
reflected rays will be completely polarised.
For $i<\theta_P$ or $i>\theta_P$
reflected rays will be partially polarised.
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