Physics · 2018
JEE Main · 15 April 2018, Shift 2 · Q26
An unstable heavy nucleus at rest breaks into two nuclei which move away with velocities in the ratio of 8: 27. The ratio of the radii of the nuclei…
An unstable heavy nucleus at rest breaks into two nuclei which move away with velocities in the ratio of $\displaystyle 8$ : 27. The ratio of the radii of the nuclei (assumed to be spherical) is :
Official answer
(3)
$\displaystyle 3$ : $\displaystyle 2$
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.