JEE MainPhysicsWave OpticsMCQ+4 / −1
A beam of plane polarised light of large cross-sectional area and uniform intensity of 3.3 Wm-2 falls normally on a polariser (cross sectional area 3 10-4 m2) 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 :
- A1.0 10-5 J
- B1.0 10-4 J
- C1.5 10-4 J
- D5.0 10-4 J
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