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A parallel beam of light is incident normally on a plane surface absorbing 40% of the light & reflecting the rest.If the incident beam carries 10W of power,find the force exerted by it on the surface. aNS is 5.33 x 10 -8 N

A parallel beam of light is incident normally on a plane surface absorbing 40% of the light & reflecting the rest.If the incident beam carries 10W of power,find the force exerted by it on the surface.


aNS is 5.33 x 10 -8 N 

Grade:11

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