Physics-
General
Easy

Question

The sun delivers 103 W/m2 of electromagnetic flux to the earth’s surface. The total power that is incident on a roof of dimensions 8m´20m is 1.6´105 W the radiation force on the roof will be -

  1. 3.33 cross times 10 to the power of negative 5 end exponentN    
  2. 5.33 cross times 10 to the power of negative 4 end exponentN    
  3. 7.33 cross times 10 to the power of negative 3 end exponentN    
  4. 9.33 cross times 10 to the power of negative 2 end exponentN    

The correct answer is: 5.33 cross times 10 to the power of negative 4 end exponentN

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