Heat Transfer Refrigeration and Air Conditioning - Engineering

Q1:

The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as

A Wien's law

B Stefan's law

C Kirchhoff's law

D Planck's law

ANS:C - Kirchhoff's law

Explanation: No answer description is available.