black body radiation

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Karina Kong 2H
Posts: 55
Joined: Thu Jul 25, 2019 12:16 am

black body radiation

Postby Karina Kong 2H » Sun Oct 13, 2019 2:43 pm

Could someone explain what black body radiation is? Thanks

Aarja Pavade 1H
Posts: 56
Joined: Sat Aug 17, 2019 12:18 am

Re: black body radiation

Postby Aarja Pavade 1H » Sun Oct 13, 2019 2:48 pm

Electrons in atoms and molecules absorb or emit quanta of energy, which gives atom (and molecular) spectra. Atoms and molecules only absorb or emit unique frequencies that are allowed by their unique electronic structure. This is unlike "black bodies" that absorb or emit a broad range of wavelengths.
Specifically, black body radiation is the radiation emitted at different wavelengths by a heated black body, for a series of temperatures.

Milisuryani Santoso 1L
Posts: 44
Joined: Thu Jul 11, 2019 12:15 am

Re: black body radiation

Postby Milisuryani Santoso 1L » Sun Oct 13, 2019 3:33 pm

If I'm not incorrect, black body radiation is radiation that is theoretically emitted from a black body, which absorbs all radiation that falls onto it.

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