Unpolarised light of intensity 64 W m⁻² passes through three polaroids as shown. The axis of P2 is at 45° and that of P3 at 90° to the axis of P1. The intensity of the emergent light is

Question

MCQ (Single)Malus' Law for Polarised Light

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Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids?

Unpolarised light of intensity I0 passes through two polaroids whose transmission axes are inclined at 60°. The intensity of the emergent light is