Aparticle with mass m is confined to move on a circle of radius r. it is perturbed by a potential v(0)a(1+cos(20). (a) what are the unperturbed energy levels? (b) find the shift in the energy levels to first order in a c) find the second order energy shift for all the states. hint: beware of the special care needed for some of the states.

the answer to this question is 60 n

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explanation:

your answer is, orbit around the nucleus