問題詳情

14. If we increase the wavelength of the light that falls on the metal in a photoelectric-effectexperiment, which of the following will happen?
(A) The work function of the metal increases.
(B) The cutoff frequency decreases.
(C) The stopping potential decreases.
(D) The time delay of the emission of photoelectron increases.
(E) All of the above.

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增