In a Mass Spectrometer Ions of Ni with Mass 9 $\times$

question 8

Multiple Choice

In a mass spectrometer ions of Ni with mass 9.62 $\times$ 10^-26 kg and charge +2e are accelerated through a potential difference of X volts and then deflected in a magnetic field of 0.15 T.If the radius of curvature of the ions is 0.55 m,then calculate the value of the potential difference X.

• A)5.7 kV
• B)274 kV
• C)137 kV
• D)11.3 kV
• E)none of the above

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