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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 [Wrong Answer] |
B. | emissive power [Correct Answer] |
C. | emissivity [Wrong Answer] |
D. | none of these [Wrong Answer] |