1. Tardigrade
  2. Question
  3. Physics
  4. A neutron, a proton, an electron and an α particle enter a region of uniform magnetic field with same velocities. The magnetic field is perpendicular and directed into the plane of the paper. The tracks of the particles are labeled in the figure. The electron follows the track <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-oq93yofs5vkg.png />

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. A neutron, a proton, an electron and an $\alpha $ particle enter a region of uniform magnetic field with same velocities. The magnetic field is perpendicular and directed into the plane of the paper. The tracks of the particles are labeled in the figure. The electron follows the track

Question

NTA AbhyasNTA Abhyas 2020Moving Charges and Magnetism

Solution:

$r=\frac{m v}{B q}$
$r$ is least when $\left(\frac{m}{q}\right)$ is least.
$\left(\frac{m}{q}\right)$ is least for electron ,so electron will trace path with minimumm radius i.e. track $D$