Question

Describe polarisation of light by reflection. How does degree of polarisation vary with angle of incidence of light?

28 Jan 2026
Answer :
Word Count : 250
Polarisation of light by reflection occurs when unpolarised light strikes a transparent surface, such as glass or water, at a particular angle and the reflected light becomes partially or completely polarised. Unpolarised light consists of waves vibrating in all possible planes perpendicular to the direction of propagation. When it hits a surface, the electric field components parallel and perpendicular to the plane ____ __________ ________ _________ ____ ________ __________ _________ _________ ______.
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