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Editor
 Sep 18, 2022
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What will be the speed of electron having an energy of $1.82\times10^{-17}$ Joule?
Difficulty: Easy
A: 
$1.9\times10^{18}$
B: 
$2.197\times10^{-25}$
C: 
$2\times10^{7}$
D: 
None
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