State three methods of polarising an unpolarised light
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Correct Answer: Option n
Explanation:
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.
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.