If a good absorber of radiant energy were a poor emitter, how would its temperature compare with its surroundings?

Saturday, July 17th, 2010

Solution:

A good absorber of radiant energy, like a black surface, sends to get hot. If it is a poor emitter, that means it will remain hot for a long time. Therefore, an object that is both a good absorber of radiant energy and a poor emitter would tend to be hotter than its surroundings.

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