Q.

The rate of radiant energy, which is emitted by a surface at any temperature and in small wavelengths is found from the known rate of energy, which under the same conditions would be emitted from a black surface, by multiplying with the absorptivity. Above enunciation is known as

A. Planck's law
B. Kirchhoff's law
C. Stefan Bolzmann's law
D. Lambart's rule
E. None of the above
Answer» B. Kirchhoff's law
2.4k
0
Do you find this helpful?
9

View all MCQs in

Thermodynamics

Discussion

No comments yet