ట్ట, డ్డ, త్త ప్ప, మ్మ ఒత్తులతో మూడేసి (3) పదాలు రాయండి
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A perfectly black body neither reflects nor transmit. (i.e. r = 0, t = 0 ) any part of the incident radiative energy but absorb whole of it or we can say its absorptive power is 1.
Explanation:
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