CBSE 2024 · Region 3 · Set 1 · Q9 · 1 mark
A proton and an alpha particle having equal velocities approach a target nucleus. They come momentarily to rest and then reverse their directions. The ratio of the distance of closest approach of the proton to that of the alpha particle will be :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 2$
Electrostatic Potential and CapacitancePotential due to a System of ChargesApplymcqmedium
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CBSE Class 12 Physics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.