Physics · 2021
JEE Main · 24 February 2021, Shift 2 · Q16
The de Broglie wavelength of a proton and α -particle are equal. The ratio of their velocities is:
The de Broglie wavelength of a proton and $\displaystyle \alpha$-particle are equal. The ratio of their velocities is :
Official answer
(1)
$\displaystyle 4: 1$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.