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 [Main 8 April 2018]

JEE Main 08 Apr 2018 Code A Solved Paper

Section: Physics

Question : 18 of 90

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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 8 April 2018]

re>rp=rα
re<rp=rα
re<rp<rα
re<rα<rp

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