A problem from Magnetism

[Jesh]

Homework Statement

A particle of mass m and charge q is projected into a region having a perpendicular magnetic field B.Find the angle of deviation of the particle as it comes out of the magnetic field if the width d of the region is very slightly smaller than

a)mv/qB b)mv/2qB c)2mv/qB

Homework Equations

don no

The Attempt at a Solution

dono where to start with??

 

[berkeman]

Homework Statement

A particle of mass m and charge q is projected into a region having a perpendicular magnetic field B.Find the angle of deviation of the particle as it comes out of the magnetic field if the width d of the region is very slightly smaller than

a)mv/qB b)mv/2qB c)2mv/qB

Homework Equations

don no

The Attempt at a Solution

dono where to start with??

Use the vector Lorentz force. Please show your attempt at a solution.