Physics · 2023
JEE Main · 15 April 2023, Shift 1 · Q45
The de Broglie wavelength of an electron having kinetic energy E is λ. If the kinetic energy of electron becomes E/4, then its de-Broglie wavelength…
The de Broglie wavelength of an electron having kinetic energy E is $\displaystyle \lambda$. If the kinetic energy of electron becomes $\displaystyle \frac{E}{4}$, then its de-Broglie wavelength will be :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2 \lambda$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.