NEET PhysicsClass 12Malus' law and crossed polaroidsMediumSingle correct

Unpolarised light of intensity I₀ falls on a polaroid P₁. The light then passes through a second polaroid P₂ whose pass axis is at 60° to that of P₁. What intensity emerges from P₂?

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Unpolarised light of intensity I₀ falls on a polaroid P₁. The light then passes through a second polaroid P₂ whose pass axis is at 60° to that of P₁. What intensity emerges from P₂?

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