The work function for the photoelectric effect in potassium is 2.25 eV.For the case when light with a wavelength of 3.6 x 10-7 ;m falls on the potassium, the velocity of the fastest of the emitted electrons is()

2024-01-12

The work function for the photoelectric effect in potassium is 2.25 eV.For the case when light with a wavelength of 3.6 x 10-7 ;m falls on the potassium, the velocity of the fastest of the emitted electrons is()

A.2.3X103; m/s

B.9.2X108 m/s

C.7.4X106; m/s

D.6.5X105; m/s



参考答案:

6.5X105; m/s

相关推荐