※ 引述《moleming (i am what i am)》之銘言:
: ※ 引述《wadelin (阿德 N )》之銘言:
: : 作業6中
: : 助教給ㄉ答案中
: : 第六題ㄉb
: 這題主要的意思是說
: 這個module是不適用
: 需要考慮相對論
: 而解答中只是粗略的算
: L = rmRv = nh(bar) where r = 1/(1- square of B)1/2 ,B =v/c & R is redius
: KZq2/R2 = mv2/R
: => (1+B2/2)B = Z/137
: ^^^^
就是上面的式子不知道是怎麼來的 嗚~
: From this term we can see there is some error overhere.
: :& 第七題ㄉb
: delta X : root mean square of X
: delta Px : root mean square of Px
: delta Ee = delta Px2/2Me
: where Me is the mass of electron
: delta En = delta Px2/2Mn
: where Mn is the mass of neutron
: and Mn = 1837*Me
: so delta En = Ee/1837
: #supplement:
: What's the physics of this problem7 ??
: First point :
: delta Ee > nuclear energy levels
: Show the electron is unstable in nucleus.
: Second point:
: delta En < nuclear energy levels
: Show the neutron is stable in nucleus.
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