Depending on the radiating properties, a body will be black when (wher – McqOptions

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1.	Depending on the radiating properties, a body will be black when (where a = absorptivity, p == reflectivity, X = transmissivity.)
A.	p = 0, x = 0 and a = 1
B.	p= l,T = 0anda = 0
C.	p = 0, x = 1 and a = 0
D.	x = 0, a + p = 0
E.	a = 0,x + p= 1.
Answer» B. p= l,T = 0anda = 0

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