A particle of mass m and charge Q moving with a velocity v enters a region on uniform field of induction B Then its path in the region is s

A particle of mass m and charge q , moving with velocity v enters Region II normal to the boundary as shown in the figure. Region II has a uniform magnetic field B perpendicular to the plane of the paper . The length of the region II is l . Choose the correct choice(s).

A particle of mass m and charge q, moving with velocity v enters region II normal to the boundary as shown in the figure. Region II has a uniform magnetic field B perpendicular to plane of the paper. The length of the Region II is l.. Choose the correct choice (s):

A particle of mass m and charge q , moving with velocity v enters Region II normal to the boundary as shown in the figure. Region II has a uniform magnetic field B perpendicular to the plane of the paper . The length of the region II is l . Choose the correct choice(s).

A particle of mass m and charge q moving with velocity v enters region-b from region-a along the normal to the boundary as shown is in the figure. Region-b has a uniform magnetic field B perpendicular to the plane of the paper. Also, region-b has length L. Choose the correct statements :

What is the force on a charged particle of charge ''q'' moving with a velocity ''v'' in a uniform magnetic field of induction B ? When does it become maximum ?