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Who discovered the X ray().
Who discovered the X ray().
A.Rontgen
B.Nobel
C.Einstein
D.Bohr
正确答案:Rontgen
标签:
原子物理
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How many electrons can be contained in M shell()
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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?()