which of the particle cannot be defected by magnetic field

Four particles-proton, electron, alpha, and neutron-enter a region of constant magnetic field with same velocities. The magnetic field is perpendicular to the velocity . A] Which particle [s] are not be deflected by the magnetic field ? B] Which particle [s] are deflected by the magnetic field ? C] Which particle experiences maximum force ? Justify .

Which of the following while in motion cannot be deflected by magnetic field?

When beryllium is bombarded with alpha-"particles" , extremely penetrating radiations which cannot be deflected by electrical or magnetic field are given out. These are

Which of the following particle can be deflected by electric and magnetic field?