Question

In one type of mass spectrometer, ions having the same velocity move through a uniform magnetic field. The spectrometer is being used to distinguish 12C+ and 14C+ ions that have the same charge. The 12C+ ions move in a circle of diameter 25 cm. (a) What is the diameter of the orbit of 14C+ ions? (b) What is the ratio of the frequencies of revolution for the two types of ion?
30

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