又一道物理题,英文版,Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.最好有个方程,好看

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又一道物理题,英文版,Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.最好有个方程,好看

又一道物理题,英文版,Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.最好有个方程,好看
又一道物理题,英文版,
Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.
最好有个方程,好看一点

又一道物理题,英文版,Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.最好有个方程,好看
间距d是半波长的整数倍,这里波长是电子的德布罗意波长.
电子的动量大小就是p=h/波长
这个整数倍n=15这里.
然后E=p^2/2m就得到了第一问
b:动量不确定度是2p.因为电子动量大小固定,但是方向可能相反.
c位置不确定度是98.5pm,因为它在这个区间都可能出现.你也可以用波函数把位置的均方误差求出来,是一个量级的.
然后动量不确定度和位置不确定度的乘积是大于h的.