The total amount of radiant energy emitted per unit area of a surface per second is called
A. emissive power of that surface
B. absorptive power of that surface
C. electric power of that surface
D. None of the above
Answer: Option A
A. emissive power of that surface
B. absorptive power of that surface
C. electric power of that surface
D. None of the above
Answer: Option A
A. Zeroth Law of Thermodynamics
B. First Law of Thermodynamics
C. Second Law of Thermodynamics
D. Third Law of Thermodynamics
A black body can absorb radiations of
A. lower wavelengths only
B. intermediate wavelengths only
C. higher wavelengths only
D. all wavelengths
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