Answers

(a) When a positively charged conductor is placed near a candle flame, the flame spreads out as shown…

 (a) State three conclusions that can be drawn from Rutherford’s experiment on the scattering of alpha particles by…

(a) Explain the terms: (i) inertia; (ii) inertial mass. (b) List three factors which affect the rate of…

(a) State two factors which affect the angle of deviation of a ray of light through a triangular…

(a) Distinguish between perfectly elastic collision and perfectly inelastic collision. (b) Sketch a distance — time graph for…

 An X-ray tube operates at a potential of 2500 V. If the power of the tube is 750…

 (s) State the Heisenberg Uncertainty Principle. (b) The product of the uncertainties in Heisenberg Uncertainty Principle is equal…

State one reason each why cathode rays: (a) are not electromagnetic waves; (b) cast sharp shadows of objects…

(a) List two examples each of substances with: (i) low viscosity; (ii) high viscosity. (b) When is a…

(a) Differentiate between plane polarization and interference as applied to waves. (b) List two uses of polaroids. Explanation…