A beam of plane polarised light of large cross-sectional area of uniform intenisty of 3.3 Wm-2 falls normally on a polariser (cross -sectional area ) 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:
Option: 1
Option: 2
Option: 3
Option: 4
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