60. (a) The allowed energy values are given by En= n2h2/8mL2. The difference in energy between the state nand the state n+ 1 is ∆EEEnnhmLnhmLnnadj=−=+−=++122222218218bgand ∆EEmLmLnnadj=+LNMOQPFHGIKJ=+8821222222bg. As nbecomes large, 212+→and 22nnn=(b) No. As adj,nE→∞ ∆and Edo not approach 0, but ∆Eadj/Edoes. (c) No. See part (b).
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