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Physics · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q9
A proton and an alpha particle have equal momentum. The ratio of their kinetic energies ( E_p / E_a ) and de Broglie wavelengths associated with them…
A proton and an alpha particle have equal momentum. The ratio of their kinetic energies ( $\displaystyle \mathrm{E}_{\mathrm{p}} / \mathrm{E}_{\mathrm{a}}$ ) and de Broglie wavelengths associated with them $\displaystyle \left(\lambda_{\mathrm{p}} / \lambda_{\mathrm{a}}\right)$ respectively are :
Official answer
(C)
$\displaystyle 4, 1$
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