State Kirchhoff 's law of heat radiation.

State Kirchhoff's Laws.

Define co-efficient of emission state kirchoff's law of radiation.

State Kirchhoff's law of radiation and give its theoretical proof.

According to Kirchhoff's law of radiation at a temperature......... A. a=e B. E/E_b=e C. E/a=E_b D. Both (a) and (c)

State Kirchhoff's second law.

State Kirchhoff's current law.

State and explain Kirchhoff's laws for electric circuit.

According to the Kirchhoff's laws in an electric circuit, the algebraic sum of current at any junction is

State Kepler’s law of period.

State first law of thermodynamics.