5. Which of the following instruments can be used to compare the magnitudes of charges on two given bodies. A. Electrophorus B. Ebonite rod C. Gold-leaf electroscope D. Proof planes 6. A body of mass 2 kg is released from a point 100 m above the ground. Calculate its kinetic energy 80 m from the point of release. A. 1600 J B. 900 J C. 600 J D. 200 J 7. Which of the following waves is not mechanical? A. Waves in pipes B. Water waves C. Radio waves D. Sound waves 8. A loaded spring is set in simple harmonic motion. The force that tends to restore the load to its equilibrium position is A. adhesive. B. elastic. C. frictional. D. gravitational. 9. Which of the following cases cannot produce total internal reflection? A light ray travelling from A. glass to water. B. kerosene to air. C. air to water. D. water to ice. 10. The vacuum in a thermoflask reduces heat loss resulting from A. radiation only. B. conduction and convection only. C. radiation and convection only. D. conduction only. Want more Physics Objective SSCE Exam Questions Get the complete WAEC Physics Exam Past Questions 11. Paper (Obj & Essay in PDF or Ms-Word from us. Continue reading to know how… The diagram above represents an experimental set-up for verifying A. lens formula. B. refraction laws. C. reflection laws. D. mirror formula.