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Asked Jan 3, 2020
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What is absorbing power and reflecting power of a perfect black body?

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Expert Answer

Step 1

The body which absorbs all the incoming lights without reflect them back is known as perfect black body. These objects look perfectly black at room temperature.

Step 2

Blackbody absorbs all the radiant energy falling on it. Therefore, blackbody has 1 absorbing power.

A good radiator is one which...

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