If radiant energy E B emitted by the black surface strikes the non-black surface. If non-black surface has absorptivity ‚âà√≠¬¨¬±, it will absorb how much radiations?

If radiant energy E B emitted by the black surface strikes the non-bla

1.	If radiant energy E B emitted by the black surface strikes the non-black surface. If non-black surface has absorptivity ‚âà√≠¬¨¬±, it will absorb how much radiations?
A.	‚âà√≠¬¨¬± E<sub> B</sub>
B.	2 ‚âà√≠¬¨¬± E<sub> B</sub>
C.	3 ‚âà√≠¬¨¬± E<sub> B</sub>
D.	4 ‚âà√≠¬¨¬± E<sub> B</sub>
Answer» B. 2 ‚âà√≠¬¨¬± E<sub> B</sub>