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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceEasy2 minPYQ_2014

PhysicsEasysingle choice

A proton and an $α$ -particle, accelerated through the same potential difference, enter a region of uniform magnetic field normally. If the radius of the proton orbit is $10 cm$ , then radius of $α$ -particle is

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Solution:

Radius of path $r_{time} = \frac{1}{β} \frac{2 mv}{q}$ $∴ \frac{r _{α}}{r _{p}} = \frac{m _{α}}{m _{p}} \frac{q _{p}}{q _{α}}$ or, $\frac{r _{α}}{10} = \frac{4}{2} \Rightarrow r_{α} = 102 cm$

Stream:VITEEESubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2014

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