A) absorptive power in infinity
B) absorption point is 0
C) emissive power is 1
D) absorptive power is 1
Correct Answer: D
Solution :
A perfectly black body neither reflects nor transmit (i.e.,\[r=0,\,\,t=0\]) any part of the incident radiation energy but absorb whole of it or we can say its absorptive power is 1.
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