作者starwish07 (Mauricio)
看板Physics
標題[問題] Atomic structure
時間Wed May 26 20:38:42 2010
1. When ultraviolet radiation of wavelength 58.4nm from a helium lamp is
directed on to a sample of krypton, electrons are ejected with a speed of
1.59M m/s.Calculate the ionization energy of krypton.
計算游離能怎麼會出現有速度的公式? 還是說游離能會等於1/2mv^2 ?
這題答案是 I = 14.0 eV
2. By differentiation of the 2s radial wavefunction, show that it has two
extrema in its amplitude, and locate them.
這一題答案是有兩個 r = 4a0 、r = 0 計算過程是用到機率???
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◆ From: 114.137.67.125
※ 編輯: starwish07 來自: 114.137.67.125 (05/26 20:47)
※ 編輯: starwish07 來自: 114.137.67.125 (05/26 23:12)
→ starwish07:第二題的第二個r是等於0 已修正 05/26 23:12
推 kuanun:第2題把2s radial wavefunction個式子微分後等於0, 解r 05/26 23:56
→ starwish07:解 "r" ? 怎麼解? 式子裡面有個Z 這樣答案也會有Z... 05/27 00:07
→ SmArTyau:第一題是求功函數(W)吧 入射光的動能=W+電子動能 05/27 06:01