Magnetic Effects of Current and Magnetism: JEE Main 2012 Physics question

JEE Main 2012 · Annual, Paper 1 · Q7740

JEE Main 2012Annual, Paper 1PhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

Proton, deuteron and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton, denuteron and alpha particle are respectively

{r_p},{r_d}

and

{r_\alpha }

. Which one of the following relation is correct?

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JEE Main 2012 Magnetic Effects of Current and Magnetism Question with Solution (Annual Paper 1, Q7740) | JEE Arc