for de Broglie waves
for de Broglie waves
for de Broglie waves
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【3.6 particle in a box】<br />
a prticle trapped in a box = a standing<br />
wave.<br />
Ψmust be zero at the walls<br />
λ n =2L/n n=1,2,3……<br />
De <strong>Broglie</strong> wavelength of trapped<br />
particles.<br />
Figure3.10<br />
Wave functions of a particle trapped in a box L wi<strong>de</strong>.<br />
KE=1/2(mv 2 )=(mv) 2 /2m=h 2 /(λ 2 2m)<br />
∵λ n =2L/n<br />
KE+v=E n the energy <strong>for</strong><br />
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