Physics · 2022
JEE Main · 29 June 2022, Shift 1 · Q39
A charge particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charge particle increases to 4…
A charge particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charge particle increases to $\displaystyle 4$ times its initial value. What will be the ratio of new radius to the original radius of circular path of the charge particle :
Official answer
(3)
$\displaystyle 2$ : $\displaystyle 1$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.