CBSE 2025 · Region 6 · Set 2 · Q10 · 1 mark
The de Broglie wavelength associated with an electron moving with energy $\displaystyle 5$ eV is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
0.$\displaystyle 55$ nm
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.