The diagram shows possible paths Q, R, and S of particles moving into a region of uniform magnetic field. The field is directed into the plane of the page. What particles are shown by each path?

Physics HL Paper 1A (May 2025, TZ2)
The diagram shows possible paths Q, R, and S of particles moving into a region of uniform magnetic field. The field is directed into the plane of the page. What particles are shown by each path?
