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Ⅰ卷14-21(每题6分)14.可见光光子的能量在1.61eV~3.10eV范围内。若氢原子从高能级跃迁到量子数为n的低能级的谱线中有可见光,根据氢原子能级图可判断n为
I Volume 14-21 (6 points per question) 14. The energy of visible light photons is in the range of 1.61 eV to 3.10 eV. If there is visible light in the spectrum of a low energy level where the hydrogen atom transitions from a high energy level to a quantum number n, it can be judged from the hydrogen atom energy level diagram that n is