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20 level moves in a circular orbit of radius 2.12 x 10-8 m around the proton. Assume the orbital angular momentum of the elec

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3-1X hasol Elalm m Salutn m Bohr modd Aylah am mamentum iR E0ant3 muo nE20 > -34 (6.l2t Xl (ox 2 xA (6932 21 Kneh kmu -21 5.UParics 109326-21 12 - 5.5 / A

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