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JEE MAIN 2020
02-09-2020 S2
Question
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 $1.878 \times 10^{-4}$. The mass of the particle is close to
Select the correct option:
A
$1.2 \times 10^{-28} \mathrm{~kg}$
B
$9.1 \times 10^{-31} \mathrm{~kg}$
C
$4.8 \times 10^{-27} \mathrm{~kg}$
D
$9.7 \times 10^{-28} \mathrm{~kg}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Physics
Easy
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