問題詳情

17. Light strikes a plate in an evacuated chamber. The result is that electrons are etnitted fromthe plate P and are collected by C. In the process a single'photon gives up all its energy toa singje electron. The maximum poasible kinetic energy of the photoelectrons,

, isrelated to the energy of a photon, hf, by (Φ is work function)
(A)


(B)


(C)


(D) hf = 함mยma로
(E) none of the above.

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增