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Two identical particles of mass m carry ...

Two identical particles of mass m carry a charge `Q`, each. Initially one is at rest on a smooth horizontal plane and the other is projected along the plane directly towards first particle from a large distance with speed v. The closest distance of approach be .

A

`1/(4piepsilon_0)(Q^2)/(mv)`

B

`1/(4piepsilon_0)(4Q^2)/(mv^2)`

C

`1/(4piepsilon_0)(2Q^2)/(mv^2)`

D

`1/(4piepsilon_0)(3Q^2)/(mv^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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