A charge particle … is shot towards another charged particle … which is fixed, with a speed …. It approaches … upto a closest distance … and then returns. If … were given a speed of … the closest distances of approaches would be

Electrostatics

JEE Main 2004 · Annual, Paper 1 · Q6993

PhysicsEasy46×since 2002Q6993

A charge particle

'q'

is shot towards another charged particle

'Q'

which is fixed, with a speed

'v'

. It approaches

'Q'

upto a closest distance

r

and then returns. If

q

were given a speed of

'2v'

the closest distances of approaches would be