Which of the following is not close to a black body?(a) Black board paint(b) Green leaves(c) Black holes(d) Red roses
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I thought 'b' is correct answer
I am not sure
I am not sure
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Answer:a
Explanation: As black body is something that is perfect absorber or emitter of radiations. Black board paint can not be considered as black body as it doesn't absorb or emit all the radiations.
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