for de Broglie waves
for de Broglie waves
for de Broglie waves
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At x=0, y=Acos(2 t) <strong>for</strong> time=t<br />
Figure3.2<br />
Wave propagation.<br />
x = v p t , t =x/v p<br />
y=Acos2 t x/<br />
v )<br />
(<br />
p<br />
the amplitu<strong>de</strong> <strong>for</strong> y(x,t) = y(0,t-x/v p )<br />
v<br />
v<br />
x<br />
y = Acos2 ( vt ) v p = νλ<br />
y =Acos2 ( vt x/<br />
)<br />
p<br />
angular freguency ω= 2πν wave number k= 2π/λ=ω/v p<br />
y = Acos(ωt – kx)<br />
5
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