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A charge particle q of mass is placed at...


A charge particle q of mass is placed at a distance d from another charge particle -2q of mass 2 m in a uniform magnetic field B as shown if particle are projected towareds each other with equal speed `v_(0)`, so that the two particle touches each other without collision during its motion (Assume only force due to magnetic field acts on the particle)

A

`(qBd)/(m)`

B

`(qBd)/(2m)`

C

`(2qBd)/(m)`

D

`(3qBd)/(2m)`

Text Solution

Verified by Experts

The correct Answer is:
B
`d=(mv_(0))/(qB)+(2mv_(0))/(2qB)`
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