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Fizyka około roku 1900

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Wien 1896<br />

Parametryzacje e(λ,T) ,T) ciała cia a czarnego<br />

Rayleigh <strong>1900</strong><br />

Lummer, Lummer,<br />

Pringsheim <strong>1900</strong><br />

Lummer, Lummer,<br />

Jahnke <strong>1900</strong><br />

Thiesen <strong>1900</strong><br />

Planck 19 X <strong>1900</strong><br />

Planck 14 XII <strong>1900</strong><br />

−5<br />

aλexp( −b/<br />

λT)<br />

−4<br />

aTλ exp( − b / λT)<br />

−4<br />

1.25<br />

aTλ exp( −b<br />

/( λT)<br />

)<br />

−5<br />

0.9<br />

aλ exp( −b/(<br />

λT)<br />

)<br />

0.5 −4.5<br />

aT λ exp( −b<br />

/ λT<br />

)<br />

aλ<br />

8πhcλ −5 ⎛ 1 ⎞<br />

⎜ ⎟<br />

⎝exp( b/ kλT) − 1⎠<br />

−5 ⎛ 1 ⎞<br />

⎜ ⎟<br />

⎝exp( hc / kλT ) − 1 ⎠

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