Q146
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
AnswerC.
Emissivity
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution:
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.