What is the difference between polarised light and unpolarised light?

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Solution

(i) Polarised light has electric fields oscillating in one direction, whereas unpolarised light has electric field oscillating in all directions.
(ii) Polarised light is coherent in nature whereas unpolarised light is incoherent in nature.
(ii) Intensity of polarised light depends on the nature of polarised used whereas intensity of unpolarised light depends on the nature of source.

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