An ideal black body at room temperature is thrown into a furnace. It i

1.	An ideal black body at room temperature is thrown into a furnace. It is observed that (a) initially it is the darkest body and at later times the brightest (b) it is the darkest body at all times (c) it cannot be distinguished at all times (d) initially it is the darkest body and at later times it cannot be distinguished
Answer» Correct Answer is: (d) initially it is the darkest body and at later times it cannot be distinguished A closed furnace behaves as a black body.

An ideal black body at room temperature is thrown into a furnace. It is observed that (a) initially it is the darkest body and at later times the brightest (b) it is the darkest body at all times (c) it cannot be distinguished at all times (d) initially it is the darkest body and at later times it cannot be distinguished

Answer»

Correct Answer is: (d) initially it is the darkest body and at later times it cannot be distinguished

A closed furnace behaves as a black body.

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