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The de Broglie wavelength of an electron with kinetic energy of 100 keV is（）
The de Broglie wavelength of an electron with kinetic energy of 100 keV is（）
A.3.702 nm
B.3.702 pm
C.3.702 fm
D.3.702 mm
正确答案：3.702 pm
标签：
原子物理
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How many lines can be expected for the 32D->；32P transition in sodium？（）
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