The figure below represents paths of particles as they moved through a region of uniform magnetic field . In this region , the field everywhere pointed into the page . Particle X moved from right to left until it reached point P. At point P , it split into two other particles Y , and Z.

Particle Y's track K X XXX XXX XX XXXX X X Particle X's track X X X X X X Q* XXXXXXXX Particle Z's track