State three methods of polarising an unpolarised light
Verified Correct Answer: .
Physical Principles & Numerical Solution
Unpolarised light can be polarised.
(i) By reflection
(ii) By double refraction
(iii) Polarising pile of plates
(iv). Selective absorption by crystals.
(v) Passing unpolarised light through a amid.
Source: Myschool Past Questions Archive (Record #53952)