A black surface, capable of facing full sunlight, can absorb

1.	A black surface, capable of facing full sunlight, can absorb
A.	1kW per square meter
B.	7kW per square meter
C.	9kW per square meter
D.	8kW per square meter
Answer» B. 7kW per square meter

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A black surface, capable of facing full sunlight, can absorb

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