Thermal radiation takes place at a surface which has reflectivity of 0 – McqOptions

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1.	Thermal radiation takes place at a surface which has reflectivity of 0.55 and a transmissivity of 0.032. What is the value of absorptivity?
A.	0.032
B.	1
C.	0.418
D.	0.55
Answer» D. 0.55

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