4. The relation between the emissive and absorptive power of a surface is developed under
A. Electrical analogy
B. Stefan-Baltzmann’s law
C. Kirchhoff’s law
D. Planck’s law
4. The relation between the emissive and absorptive power of a surface is developed under
A. Electrical analogy
B. Stefan-Baltzmann’s law
C. Kirchhoff’s law
D. Planck’s law