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
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