An electron, a proton and an alpha particle having the same kinetic energy are moving…
PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii re,rp,rα respectively in a uniform magnetic field B. The relation between re,rp,rα is: [Main 2018]
(1) re>rp=rα
(2) re<rp=rα
(3) re<rp<rα
(4) re<rα<rp