KillaZayy3532 KillaZayy3532

09-01-2024
Physics

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A beam of plane polarised light of large cross - sectional area and uniform intensity of 3.3Wm⁻² falls normally on a polariser (cross sectional are 3×10⁻⁴m² ) which rotates about its axis with an angular speed of 31.4 rad/s . The energy of light passing through the polariser per revolution , is close to :
A. 1.5×10⁻⁴ J
B. 5.0×10⁻⁴ J
C. 1.0×10⁻⁴ J
D. 1.0×10⁻⁵ J

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