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What are the basic law of heat radiation

What are the basic law of heat radiation

Grade:12th Pass

1 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
9 years ago
Kirchhoff's law of thermal radiation:For a body of any arbitrary material, emitting and absorbing thermal electromagnetic radiation at every wavelength in thermodynamic equilibrium, the ratio of its emissive power to its dimensionlesscoefficient of absorptionis equal to a universal function only of radiative wavelength and temperature, the perfect black-body emissive power

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