Physics · 2008
NEET 2008 · Prelims · Code A · Q42
A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of 3 × 10^6 ms^-1. The velocity of the particle is: (mass of…
A particle of mass $\displaystyle 1$ mg has the same wavelength as an electron moving with a velocity of $\displaystyle 3 \times 10^6 \mathrm{~ms}^{-1}$. The velocity of the particle is :
(mass of electron $\displaystyle =9.1 \times 10^{-31} \mathrm{~kg}$)
Official answer
(2)
$\displaystyle 2.7 \times 10^{-18} \mathrm{~ms}^{-1}$
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NEET (UG) 2008 Physics question, with the answer from NTA’s final answer key. Where our answers come from.