Q 12-10-004NEETNEET 2024Top questionEasy
An unpolarised light beam strikes a glass surface at Brewster's angle. Then
Answer: (B) the reflected light will be completely polarised but the refracted light will be partially polarised.
Concept. At Brewster's angle the reflected light contains only the component vibrating perpendicular to the plane of incidence.
Step 1. Reflected light. Completely plane polarised.
Step 2. Refracted light. It still has both components (one only partly removed): partially polarised.
Answer. The reflected light will be completely polarised but the refracted light will be partially polarised (Option B).
Solution by Sreeraj P, M.Sc Physics