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MHT CET Physics question

PhysicsWave OpticsMHT CET

A beam of unpolarised light having flux watt falls normally on a polariser of cross sectional area . The polariser rotates with an angular frequency of rad/s. The energy of light passing through the polariser per revolution will be

Answer: (C)

Solution

A polariser passes half of unpolarised light, so power transmitted ; one revolution takes $T=2π/ω=2\

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Question ID VK-077268