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MHT CET Physics question

PhysicsWave OpticsMHT CET

Unpolarised light of intensity passes through three polarisers such that the transmission axis of the last polariser is crossed with the first. If the intensity of emerging light is , the angle between the transmission axes of the first two polarisers is

Answer: (A)

Solution

After the first polariser ; with angle between first two and between last two,

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Question ID VK-077270