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A particle of mass m is attached to a fixed point in space by a massless rigid rode of length a a...

A particle of mass m is attached to a fixed point in space by a massless rigid rode of length a and can freely rotate about this point. Find the quan- tum energy levels of the system. What is the degeneracy of each energy level (i.e. how many different quantum states have given energy)? Compare to the one of hydrogen atom

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r inenthor лг sgiven e ,m have value rn

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