(a) What is meant by 'a beam of polarised light?
(b) With the aid of well labelled diagrams, illustrate the action in of a polaroid spectacle on a beam of sunlight.
(b) With the aid of well labelled diagrams, illustrate the action in of a polaroid spectacle on a beam of sunlight.
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Correct Answer: Option n
Explanation:

(a) A beam of polarised light is on constrained in a single plane perpendicular to the beam.
(a) A beam of polarised light is on constrained in a single plane perpendicular to the beam.