Two ions of masses 4amu and 16amu have charges + 2e and + 3e respectively. These ions pass through the region of the constant perpendicular magnetic field. The kinetic energy of both ions is the same. Then:

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Correct answer: B. lighter ion will be deflected more than heavier ion

The relation between linear moment and radius in terms of the magnitude of magnetic field and charge of a particle,& $r = \dfrac{P}{qB} = \dfrac{2m{k}_{e}}{qB}$

$⇒ r ∝ \dfrac{m}{q}⇒ \dfrac{r1}{r2} = \dfrac{3}{4}⇒ {r}_{2} > {r}_{1}$ .

Two ions of masses 4amu and 16amu have charges + 2e and + 3e...

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