Match the uses of instruments in List A with a correct name of the instrument in List B by writing a letter of the correct response below the item number in the table provided. List A List B () An instrument used to measure density of the liquid. A Density bottle B Hydrometer () An instrument used to determine the volume of Eureka can irregular substance. D Pipette (ii) An instrument used to transfer specific volume E Measuring cylinder of liquid from one container to another. F Burette (iv) An instrument used to determine the volume of G Test tube displaced water. (v) An instrument used to determine the density of insoluble granules.

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What is the usefulness of laboratory rules when carrying out experiments in the Physics laboratory?

Describe three ways in which magnets can be destroyed.

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What is the function of the constriction in a clinical thermometer? Explain the principle on which a liquid-in-glass thermometer works. At what temperature do Fahrenheit and Celsius scale give the same reading?

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A boy of mass 50 kg was pushed by a constant force of 20 N for 3 seconds. Determine the acceleration acquired by the body.

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John started moving the car from rest and the car accelerated uniformly at the rate of 4 m/s² for 5 s and maintained a constant velocity for 20 s. Afterwards he applied the brakes and the car retarded uniformly to rest in 3 s. Calculate the total distance covered by the car.

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a) Why is an inclined plane regarded as a simple machine? b) The wheel and axle with an efficiency of 85% is used to raise a load of 6000 N. If the radius of the wheel is 50 cm while that of the axle is 15 cm, calculate: i) The velocity ratio of the wheel and axle. ii) The mechanical advantage of the wheel and axle.

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a) Why does a body rotate when a certain force is applied on it? b) Figure 1 shows a uniform metre rule of weight 2N which is pivoted at 40 cm mark. If a force of 4 N acts at the end of the metre rule, calculate the value of force X required to keep the rule in equilibrium.

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a) Compare natural gas and geothermal energy sources by considering the following: i) Environmental safety ii) Sustainability b) Using two points, state why solar cars are better than petrol cars. c) Give three disadvantages of hydroelectric power.

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a) Explain how an ammeter and a voltmeter are connected in a circuit. b) In the circuit shown in Figure 2, the battery and an ammeter have negligible internal resistance. Determine the ammeter reading.

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