Questions
The sun delivers of electromagnetic flux to the earth’s surface. The total power that is incident on a roof of dimensions is , then the radiation force on the roof will be
detailed solution
Correct option is D
The radiation force,F=Radiation Pressure ×Area =PA = IcA ⇒F=103×8×203×108=5.33×10−4NTalk to our academic expert!
Similar Questions
A plane em wave of wave intensity of 10 W/m2 strikes a small mirror of area 20 cm2, held perpendicular to the approaching wave. The radiation force on the mirror will be
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