Physics · 2024
JEE Main · 29 January 2024, Shift 1 · Q46
The de-Broglie wavelength of an electron is the same as that of a photon. If velocity of electron is 25 % of the velocity of light, then the ratio of…
The de-Broglie wavelength of an electron is the same as that of a photon. If velocity of electron is $\displaystyle 25 \%$ of the velocity of light, then the ratio of $\displaystyle \mathrm{K} . \mathrm{E}$. of electron and K.E. of photon will be:
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{1}{8}$
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.