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Gaokao Physics Practice Question

铯原子基态的两个超精细能级之间跃迁发射的光子具有稳定的频率，铯原子钟利用的两能级的能量差量级为$10^5 \text{eV}$, 跃迁发射的光子的频率量级为（普朗克常量$h = 6.63 \times 10^{-34} \text{J} \cdot \text{s}$ ，元电荷 $e = 1.60 \times 10^{-19} \text{C}$（ ）

  1. A.$10^3 \text{Hz}$
  2. B.$10^6 \text{Hz}$
  3. C.$10^9 \text{Hz}$
  4. D.$10^{12} \text{Hz}$

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