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[Post New]12 Nov 2007 23:08:54 IST
    Subject: Force Exerted by a beam of white light
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rash29 (0)

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Olaaa!! Perrrfect answer. 0  [0 rates]
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A beam of white light is incident normally on a plane surface absorbing 70 % of the light and reflecting the rest. if the incident beam carries 10 W of power, find the force exerted by it on the surface. 
    
 

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