Physics · 2020
JEE Main · 2 September 2020, Shift 2 · Q17
A particle is moving 5 times as fast as an electron. The ratio of the de-Broglie wavelength of the particle to that of the electron is 1.878 × 10^-4.…
A particle is moving $\displaystyle 5$ times as fast as an electron. The ratio of the de-Broglie wavelength of the particle to that of the electron is $\displaystyle 1.878 \times 10^{-4}$. The mass of the particle is close to :
Official answer
(2)
$\displaystyle 9.7 \times 10^{-28} \mathrm{~kg}$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.