氢原子处于基态时,原子能量E1,核外电子的第一条可能轨道半径r1

氢原子处于基态时,原子能量E1,核外电子的第一条可能轨道半径r1,已知电子电量e,电子质量m,试求:
(1)若要使n=2的氢原子电离,吸收光子的频率至少多大;
(2)氢原子核外电子的绕核运动可等效为一环形电流,氢原子处于n=2的定态时,核外电子运动的等效电流的大小.

答案

解:(1)当n=2时, ΔE=hν (2)当n=2时,r2=4 r1 电子受到的电场力提供其绕核运动的向心力 联立可得

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