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Exempelsamling - KTH Particle and Astroparticle Physics

Exempelsamling - KTH Particle and Astroparticle Physics

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n<br />

E2<br />

/ k<br />

2<br />

2 ( ) / 8 2 BT<br />

g Ae g<br />

5<br />

E1<br />

E2<br />

k BT<br />

( 13.63.4eV)<br />

/(8.61710<br />

eV/K)(15000K) 7.89<br />

3<br />

<br />

e e<br />

4e<br />

1,5 10<br />

<br />

E1<br />

/ k BT<br />

1<br />

g1Ae<br />

g1<br />

2<br />

n<br />

Ex8:6 Bindningsenergi för grundtillståndet i väte = 13,6 eV, vilket motsvarar ljus med<br />

våglängden = hc/E 1240 eVnm/13,6 eV 91,2 nm.<br />

Wiens förskjutningslag max T = 2,89810 -3 mK ger att detta motsvarar<br />

T2,89810 -3 mK/91,210 -9 m 32 800 K.

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