[問題] 一題物理
X射線管中電子經2500伏特電位差加速後撞擊陽極靶產生X射線,若加速電位差增加為原來
的10倍,則:
(A)電子動量增加為原來10倍
(B)電子物質波波長為原來的根號10分之一倍
(C)光子動量增為原來的10倍
(D)光子波長減為原來1/10
答案是(B)(C)(D),我想問的是為什麼(C)(D)可以選
功函數又沒有增加,應該不會成正比或反比吧?
懇請高手不吝解惑,謝謝
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