Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
average force is exerted by a light wave on a non-reflecting surface of 
area during 40 minutes of time span, the energy flux of light just before it falls on the surface is 
. (Round off to the Nearest Integer) (Assume complete absorption and normal incidence conditions are there)
Text Solution
Verified by ExpertsThe correct answer is:
25
(25) 
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