The absorption coefficient of an open window | vedclass

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(C) An open window acts as a perfectly black body because any radiation entering the window is absorbed by the interior of the room and does not refle

Vedclass · Accepted Answer

$1$

Vedclass · Answer

(C) An open window acts as a perfectly black body because any radiation entering the window is absorbed by the interior of the room and does not reflect back. For a perfectly black body,the absorption coefficient $(a)$ is defined as the ratio of the energy absorbed to the total energy incident on the body. Since a black body absorbs all incident radiation,the absorption coefficient is $a = 1$.

The absorption coefficient of an open window is...

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