Physics, 10.08.2021 04:50 ericgalo808
(A) An electromagnetic wave of intensity 190 W/m2 is incident normally on a rectangular black card with sides of 25 cm and 38 cm that absorbs all the radiation. Find the force exerted on the card by the radiation. (B) Find the force exerted by the same wave if the card reflects all the radiation incident on it.
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(A) An electromagnetic wave of intensity 190 W/m2 is incident normally on a rectangular black card w...
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