If the energy radiated per second per sq. cm. of the surface for wave lengths lying between λ and λ + dλ is represented by (eλ.dλ), then eλ is called
A. Absorptive power
B. Emissive power
C. Emissivity
D. None of these
Answer: Option B
Solution (By Examveda Team)
If the energy radiated per second per sq. cm. of the surface for wave lengths lying between λ and λ + dλ is represented by (eλ.dλ), then eλ is called Emissive power.This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer
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