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According to ___________, the wavelength of the emitted radiation is inversely proportional to its frequency.

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in Food Processing Unit Operations by (110k points)
According to ___________, the wavelength of the emitted radiation is inversely proportional to its frequency.

(a) Fourier’s law

(b) Pascal law

(c) Newton law

(d) Plank’s law

I got this question during an internship interview.

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

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Right choice is (d) Plank’s law

Easy explanation: According to Plank’s law, the wavelength of the emitted radiation is inversely proportional to its frequency. It is defined as the spectral density of the electromagnetic energy emitted by a black body in thermal equilibrium at a given temperature normally when the net flow of energy and matter is zero between the body and its environment.

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