A proton, a deuteron and an α-particle having the same kinetic energy are moving in…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A proton, a deuteron and an α-particle having the same kinetic energy are moving in circular trajectories in a constant magnetic field. If rp, rd and rα denote respectively the radii of the trajectories of these particles, then
- ra = rp < rd
- ra > rd > rp
- ra = rd > rp
- rp = rd = ra.
Answer
(B) r a > r d > r p
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