Physics Unit27: Early Quantum Theory and Models of the Atom (id: bbe814c13)

[单选题]
The wavelength of a rvyrd3 gmi a;:0 7 z3epdk/vmbdcq 98jck22xg+uby laser is 694.3 nm. What is the energy difference between tkbe c7q/m+g 3dp2 98 2djvkxzche two energy states involved in laser action?

A. $1.537 \; eV$
B. $1.646 \; eV$
C. $1.786 \; eV$
D. $1.812 \; eV$


参考答案:  C


本题详细解析: 暂无