An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii r e, r p, r _α respectively in a uniform magnetic field B. The relation between r e, r p, r _α is:

Magnetic Effects of Current and Magnetism: JEE Main 2018 Physics question

JEE Main 2018 · Session, Shift 1 · Q7742

JEE Main 2018Session, Shift 1PhysicsHardMagnetic Effects of Current and Magnetism165× since 2002

An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii r_e, r_p, r

_\alpha

respectively in a uniform magnetic field B. The relation between r_e, r_p, r

_\alpha

is:

JEE Main 2018 · Session, Shift 1 · Q7742

JEE Main 2018Session, Shift 1PhysicsHardMagnetic Effects of Current and Magnetism165× since 2002

An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii r_e, r_p, r

_\alpha

respectively in a uniform magnetic field B. The relation between r_e, r_p, r

_\alpha

is: