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A charged particle moving along positive...

A charged particle moving along positive x-direction with a velocity v enters a region where there is a uniform magnetic field `B=-hatk`, from `x=0` to `x=d.` The particle gets deflected at an angle `theta` its initial path. The specific charge of the particle is

A

`(vcostheta)/(Bd)`

B

`(vtantheta)/(Bd)`

C

`(v)/(Bd)`

D

`(vsintheta)/(Bd)`

Text Solution

Verified by Experts

`sin theta=(d)/(R )`
`d=R sin theta=(mv)/(qB)sintheta`
`rArr (q)/(m)=(v sintheta)/(Bd)`
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