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| What is Planck black-body radiation law? | |
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| Planck black-body radiation law is Max Planck revised approach which describe the experimentally observed black-body spectum well. | |
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| What is the central assumption of Max Planck behind his new derivation about Black-body radiation? | |
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| The central assumption of Max Planck behind his new derivation about Black-body radiation was presented to the DPG on 14 December 1900, was the supposition that electromagnetic energy could be emitted | |
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| only in quantized form, in other words, the energy could only be a multiple of an elementary unit E=hv, where h is Planck's constant, also known as Planck's action quantum (introduced already in 1899) | |
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