JEE Main 2018 Physics question
An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii , , respectively in a uniform magnetic field B. The relation between , , is :
Answer: (B)
An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii , , respectively in a uniform magnetic field B. The relation between , , is :