當(dāng)一個質(zhì)子捕獲一個電子時,會發(fā)射出一個具有13.6電子伏能量的光子,請問這個光子的頻率是多少?它是否在可見光頻率范圍之內(nèi)?之上?之下?
E=hv=hc/lambda,E=13.6eV=2.178X10-18 J,h=6.626 × 10 -34 J·s,=> v=3.288X10 15 Hz,lambda=91.2nm,which is smaller than lower limit of visible range.The frequency is above visible range
一道英文的物理題
一道英文的物理題
When a proton captures an electron,a photon with an
energy of 13.6 eV is emitted.What is the frequency of this
photon?Does it lie in,above,or below the visible range?
When a proton captures an electron,a photon with an
energy of 13.6 eV is emitted.What is the frequency of this
photon?Does it lie in,above,or below the visible range?
英語人氣：280 ℃時間：2020-03-25 12:35:09
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