In ion spectroscopy, the positive ions are focussed on the sample at w – McqOptions

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1.	In ion spectroscopy, the positive ions are focussed on the sample at which of the following angles?
A.	20<sup>o</sup>
B.	30<sup>o</sup>
C.	45<sup>o</sup>
D.	90<sup>o</sup>
Answer» D. 90<sup>o</sup>

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