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The de-Broglie wavelenght of an electron...

The de-Broglie wavelenght of an electron is `0.2 overset(@)A`. Calculate the potential difference (approximate) requrired to retard it to rest-

A

`3.76xx10^(-3)V`

B

`3.76xx10^(3)V`

C

`3.76xx10^(3)eV`

D

`376.5V`

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