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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

A proton, a deuteron and an $α$ particle with the same kinetic energies enter in a region of uniform transverse magnetic field. The ratio of the radii of their circular paths is

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Answer:

Solution:

Radius of circular path of proton,

$r_{p} = \frac{\sqrt{2 m_{p} K}}{e B}$

Radius of circular path of deuteron,

$r_{d} = \frac{\sqrt{2 (2 m_{p}) K}}{e B}$

Radius of circular path of $α$ particle,

$r_{α} = \frac{\sqrt{2 (4 m_{p}) K}}{(2 e) B}$

Therefore

$r_{p} : r_{d} : r_{α} = 1 : \sqrt{2} : 1$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2020

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