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An electron travelling from infinity wit...

An electron travelling from infinity with velocity `v` into an electric field due to two stationary electrons separated by a distance of `2m`.if it comes to rest when it reaches the mid point of the line joining the stationary electrons.The initial velocity `v` of the electron is

A

16 m/s

B

32 m/s

C

`16sqrt(2)` m/s

D

`32sqrt(2)` m/s

Text Solution

Verified by Experts

The correct Answer is:
B
`(1)/(2)mv^(2)=(1)/(4pi epsilon_(0))(q_(1)q_(2))/(r )`
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