A) glow brightest?
B) The white object
C) The black object
D) All glow with equal brightness Gray object
Correct Answer: B
Solution :
An ideal black body absorbs all the radiations incident upon it and has an emissivity equal, to 1. If a black body and an identical another body are kept at the same temperature, then the black body will radiate maximum power. Hence, the black object at a temperature of \[{{2000}^{{}^\circ }}C\] win glow brightest.
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