For a perfectly black body, its absorptive power is [MP PMT 1989, 92; – McqOptions

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1.	For a perfectly black body, its absorptive power is [MP PMT 1989, 92; RPMT 2001; RPET 2001, 03; AFMC 2003]
A.	1
B.	0.5
C.	0
D.	Infinity
Answer» B. 0.5

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