Cathode rays enter into a unifrom magnetic field perpendicular to the direction of the field. In the magnetic field their path will be

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A proton enters a magnetic field parallel to the direction of the field. Then, the path followed by it is

A proton and a deuteron with the same initial kinetic energy enter a magnetic field in a direction perpendicular to the direction of the field.The ratio of the radii of the circular trajectories described by them is

A proton and a deuteron with the same initial kinetic energy enter a magnetic field in a a direction perpendicular to the direction of the field . The ratio of the radii of the circular trajectories described by them is

A proton and a deuteron with the same initial kinetic energy enter a magnetic field in a a direction perpendicular to the direction of the field . The ratio of the radii of the circular trajectories described by them is

A proton is projected in a direction perpendicular to a uniform magnetic field and an electron is projected along the direction of the field. Then, the path followed by