IGNOU MRW 5 2026 - Explain Planck's law, Stefan Boltzmann law of thermal ra

Question

Explain Planck's law, Stefan Boltzmann law of thermal radiations.

06 Mar 2026

Answer :

Word Count : 311

Planck’s law explains the distribution of energy emitted by a black body at different wavelengths and temperatures. A black body is an ideal object that absorbs all incident radiation and emits the maximum possible radiation. According to Planck’s law, the energy emitted by a black body is not continuous but occurs in discrete packets called quanta. The amount of radiation emitted depends on the wavelength of the radiation

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