If radiant energy E B emitted by the black surface strikes the non-black surface. If non-black surface has absorptivity α, it will absorb how much radiations?

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

1.	If radiant energy E B emitted by the black surface strikes the non-black surface. If non-black surface has absorptivity α, it will absorb how much radiations?
A.	α E B
B.	2 α E B
C.	3 α E B
D.	4 α E B
Answer» B. 2 α E B