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De - Broglie wavelength of an electron a...

De - Broglie wavelength of an electron accelerated by a voltage of 50 V is close to
`(|e|=1.6xx10^(-19)C,m_(e)=9.1xx10^(-31))`

A

`0.5 Å`

B

`1.2 Å`

C

`1.7 Å`

D

`2.4 Å`

Text Solution

Verified by Experts

The correct Answer is:
A
`lambda=sqrt(150/50)=sqrt(3)=1.7`
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