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如图所示是氢原子的能级图 , 大量处于 n=4 激发态的氢原子向低能级跃迁时 , 一共可以辐射出 6 种不同频率的光子 , 其中末系是指氢原子由高能级向 n=2 能级跃迁时释放的光子 , 则A.
6 种光子中波长最长的是 n=4 激发态跃迁到 n=3 激发态时产生的
B.
6 种光子中有 3 种属于末系
C.
使 n=4 能级的氢原子电离至少要 0.85 eV 的能量
D.
若从 n=2 能级跃迁到基态释放的光子能使某发生光电效应 , 则从 n=3 能级跃迁到 n=2 能级释放的光子也一定能使该发生光电效应
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