6. Write down the name of: (a) Two particles used in explaining the wave nature of matter; (b) One device whose invention is based on the wave nature of matter. 7. (a) What is Brownian motion? (b) State the two inferences that can be drawn from Brownian motion experi PART 2 8. (a) Give two examples each of: (i) Rotational motion; (ii) Linear motion. ANSWER ANY THREE QUESTIONS (b) Describe a laboratory experiment to determine the density of an irregular (c) State Newton's second law of motion (2 marks) (d) Explain the term inertia. (2 marks) F F​