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InterviewSolution
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An ideal Black-body at room temperature is thrown into a furnace. It is observed thatA. it is the darkest body at all timesB. it cannot be distinguished at all timesC. initially it is the darkest body and later it become brightestD. initially it is the darkest body and later it cannot be distinguished |
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Answer» Correct Answer - C When the temperature of black body becomes equal to the temperature of the furnace , the black body will radiate maximum energy and it will be bightest of all initially it will absorb all the radiant energy incident in it. So , it the darkest one. |
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