AIEEE 2012 Solved Paper

Section: Physics

Question : 47 of 89

Marks: +1, -0

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 rp,rd and rα. Which one of the following relation is correct?

[AIEEE 2012]

rα=rp=rd
rα=rp<rd
rα>rd>rp
rα=rd>rp

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