Physics · 2021
JEE Main · 25 February 2021, Shift 1 · Q15
A proton, a deuteron and an α particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces acting on them is \ \…
A proton, a deuteron and an $\displaystyle \alpha$ particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces acting on them is \_\_\_\_ and their speed is
\_\_\_\_, in the ratio.
Official answer
(2)
$\displaystyle 2$ : $\displaystyle 1$ : $\displaystyle 1$ and $\displaystyle 4$ : $\displaystyle 2$ : $\displaystyle 1$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.