本题目来源于试卷: Physics Unit28: Quantum Mechanics of Atoms，类别为 通用国际物理
[单选题]
In a ruby laser, an electron jump 3s;hj m(qgvq+opk p o.4z6f6ls from a highe (dzd2bx*g:8: 2gwr8kei/oqbl b9cd qr energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what isebizrd d:gdo/lc8bqqw*g9x k 8:(b22 the wavelength of the emitted photon?
A. $469 \; nm$
B. $649 \; nm$
C. $694 \; nm$
D. $964 \; nm$
参考答案: C
本题详细解析:
暂无
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