Physics · 2022
JEE Main · 27 July 2022, Shift 1 · Q42
Two bar magnets oscillate in a horizontal plane in earth's magnetic field with time periods of 3s and 4s respectively. If their moments of inertia…
Two bar magnets oscillate in a horizontal plane in earth's magnetic field with time periods of 3s and 4s respectively. If their moments of inertia are in the ratio of $\displaystyle 3$:$\displaystyle 2$, then the ratio of their magnetic moments will be:
Official answer
(2)
$\displaystyle 8$:$\displaystyle 3$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.