(a)[1]
State the name given to the motion of the smoke particle.
(b)[3]
Explain the motion shown by the smoke particle in Fig. 6.2.
Physics 0625 · IGCSE · Kinetic particle model of matter
Kinetic particle model of matter — practice question
Fig. 6.1 illustrates a smoke cell containing air molecules and smoke particles. A student observes how the smoke particles move inside the smoke cell with a microscope. Fig. 6.2 presents the route followed by one smoke particle.