If we have a tungsten anode(work function ;f=4.63 eV) and electron ;acceleration voltage of 35 kV, what is the minimum wavelength of the x rays?()


If we have a tungsten anode(work function ;f=4.63 eV) and electron ;acceleration voltage of 35 kV, what is the minimum wavelength of the x rays?()

A.4.58 fm

B.3.12 pm

C.0.0354 nm

D.3.89 nm

正确答案:3.12 pm


Tag:原子物理 时间:2024-01-03 15:10:51