Floating and sinking Questions And Answers (part 2)
Floating and sinking Questions1. Define thermionic emission2. (a) State:- (i) Archimedes’s principle (ii) The law of floatation (b) The solid of mass 12kg, weighs 100N
Turning effect of a force Questions And Answers (part 1)
Turning effect of a force Questions 1. Figure 4 below shows a uniform metre rule in equilibrium under the forces shown Determine the weight of the
Refraction of light Questions And Answers (part 2)
Refraction of light Questions1. The refractive index of paraffin is 1.47 and that of glass is 1.55. Determine the critical angle of a ray of
Hooke’s law Questions And Answers (part 1)
Hooke’s law Questions 1. The following results were recorded in an experiment where different masses were hung on the end of a long spring whose
Magnetsim Questions And Answers (part 2)
Magnetsim Questions1. (a Two pins are attached to each of the magnets as shown below. (i) (ii) Explain the behaviour of pins in each
Newton’s law Questions And Answers (part 1)
Newton’s law Questions1. (a) State Newton’s first law of motion (b) Distinguish between elastic collision and inelastic collision (c) A minibus of mass
Pressure Questions And Answers (part 2)
Pressure Questions1. In the diagram below, the U-tube contains two liquids; X and Y which do not mix. If the density of liquid Y is
Thermal expansion Questions And Answers (part 2)
Thermal expansion Questions1. Aquatic animals and plants are observed to survive in frozen ponds. Explain this observation Thermal expansion Answers1. Water freezes and the ice