The total radiant energy emitted by a plane surface per unit area and – McqOptions

MCQOPTIONS

1.	The total radiant energy emitted by a plane surface per unit area and unit time is called
A.	Radiant flux density
B.	Total absorptivity
C.	Radiant energy
D.	Radiant intensity
E.	None of the above
Answer» B. Total absorptivity

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