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Which law governs the thermal radiation?

(a) Fourier’s law

(b) Pascal law

(c) Newton law

(d) Stefan-Boltzmann Law

This question was addressed to me in an interview for internship.

This interesting question is from Heat Radiation topic in portion Heat Transfer Theory of Food Processing Unit Operations

1 Answer

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Best answer
Correct answer is (d) Stefan-Boltzmann Law

To explain I would say: Stefan-Boltzmann Lawgoverns the thermal radiation. It statesthat the total radiant heat power emitted from a surface is proportional to the fourth power of its absolute temperature.

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