State three methods of polarising an unpolarised light
PHYSICS
WAEC 2004
State three methods of polarising an unpolarised light
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.
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