Kirchhoff's law of radiation | video in HINDI

In this Physics video lecture in Hindi we derived and explained Kirchhoff's law of radiation which states that the ratio of the spectral emissive power to the spectral absorptive power for any wavelength for any substance at the same temperature is the same and is equal to the spectral emissive power for the same wavelength for a blackbody at the same temperature.

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Видео Kirchhoff's law of radiation | video in HINDI канала EduPoint