A particle of mass M and charge Q moving with velocity v describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the field when the particle completes one full circle is :

A particle of mass M and charge Q moving with velocity vec(v) describe a circular path of radius R when subjected to a uniform transverse magnetic field of induction B . The work done by the field when the particle completes one full circle is

A particle of mass M and charge Q moving with velocity vec(v) describe a circular path of radius R when subjected to a uniform transverse magnetic field of induction B . The work done by the field when the particle completes one full circle is

An electron is moving on a circular path of radius r with speed v in a transverse magnetic field B. e/m for it will be

An electron is moving on a circular path of radius r with speed v in a transverse magnetic field B. e/m for it will be

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 a velocity v enters a region on uniform field of induction B Then its path in the region is s

A charged particle of charge Q and mass m moves with velocity v in a circular path due to transverse magnetic field, B, then its frequency is