K.C.S.E Physics Q & A - MODEL 2016PP1QN04
​Figure 2(a) and 2(b) shows capillary tubes inserted in water and mercury respectively.
​It is observed that in water the meniscus in the capillary tube is higher than the meniscus in the beaker, while in the mercury the meniscus in the capillary tube is lower than the meniscus in the beaker. Explain this observation
answer
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K.C.S.E Physics Q & A - MODEL 2016PP1QN02
​Figure 1 shows the change in volume of water in a measuring cylinder when an irregular solid is immersed in it
Given that the mass of the solid is 567 g, determine the density of the solid in g/cm3 (Give your answer correct to 2 decimal places)
K.C.S.E Physics Q & A - MODEL 2016PP1QN01
State what mechanics as a branch of physics deals with.
ANSWER
K.C.S.E Physics Q & A - MODEL 2015PP2QN03
State the reason for topping up a lead - acid accumulator with distilled water.
answer
K.C.S.E Physics Q & A - MODEL 2015PP2QN02
​It is observed that when a charged body is brought near the cap of a positively charged electroscope, the divergence of the leaf increases. State the type of charge on the body.
answer
K.C.S.E Physics Q & A - MODEL 2015PP1QN13
Mechanics is one of the branches of physics. State what it deals with.
ANSWER
A student wearing sharp pointed heeled shoes is likely to damage a soft wooden floor. Explain.24/7/2020
K.C.S.E Physics Q & A - MODEL 2015PP1QN05
A student wearing sharp pointed heeled shoes is likely to damage a soft wooden floor. Explain.
ANSWER
K.C.S.E Physics Q & A - MODEL 2015PP1QN04
State two factors that determine the pressure at a point in a liquid.
ANSWER
K.C.S.E Physics Q & A - MODEL 2014PP2QN10
State two uses of a charged gold leaf electroscope.
answer
K.C.S.E Physics Q & A - MODEL 2014PP2QN06
It is observed that when the cap of an uncharged electroscope is irradiated with light of high frequency, the leaf of the electroscope rises. Explain this observation.
answer
​ (a) Electrons absorb enough energy and are ejected leaving the electroscope positively charged the leaf is repelled by the stem.
K.C.S.E Physics Q & A - MODEL 2014PP1QN07
​Figure 4 shows a source of heat placed at equal distances from two identical flasks X and Y containing air. The surface of X is painted black while Y is clear
​X and Y are linked by a U-tube filled with water whose levels S and T are initially the same.
It is later observed that S falls while T rises. Explain this observation.
answer
K.C.S.E Physics Q & A - MODEL 2014PP1QN05Figure 3 shows two cylinders of different cross-sectional areas connected with a tube. The cylinders contain an incompressible fluid and are fitted with pistons of cross-sectional areas 4 cm2 and 24 cm2.Opposing forces P and Q are applied to the pistons such that the pistons do not move. If the pressure on the smaller piston is 5 N cm-2. Determine force Q.
K.C.S.E Physics Q & A - MODEL 2014PP1QN03
State the reason why it is not correct to quote the weight of solid objects in kilograms.
answer
K.C.S.E Physics Q & A - MODEL 2014PP1QN01
​A student measured the length of a wire four times using a metre rule and obtained the following readings: 18.6 cm; 18.5 cm; 18.6 cm and 18.5 cm. Determine the length the student should record.
K.C.S.E Physics Q & A - MODEL 2013PP1QN11
​ Figure 6 (a) and 6(b) show capillary tubes inserted in water and mercury respectively.
It is observed that in water the meniscus in the capillary tube is higher than the meniscus in the beaker, while in mercury the meniscus in the capillary tube is lower than the meniscus in the beaker. Explain these observations.
answer
K.C.S.E Physics Q & A - MODEL 2013PP1QN10
​Figure 5 shows a Bunsen burner.
​Explain how air is drawn into the burner when the gas tap is open.
answer
K.C.S.E Physics Q & A - MODEL 2013PP1QN09
Explain why brakes fail in a hydraulic braking system when air gets into the system.
answer
K.C.S.E Physics Q & A - MODEL 2013PP1QN03
​Figure 2 shows some air trapped by mercury in a glass tube. The tube is inverted in a dish containing mercury.
​Given that the atmospheric pressure is 760 mmHg and the height of mercury column in the tube is 600 mm, determine the pressure of the air trapped in the tube in mmHg.
K.C.S.E Physics Q & A - MODEL 2012PP2QN08
​Light from a lamp falls on the cap of a negatively charged electroscope. It is observed that the divergence of the leaf decreases. Explain the observation.
ANSWER
K.C.S.E Physics Q & A - MODEL 2012PP2QN04
​Figure 4, shows a negative point charge placed near a positively charged rod.
​Draw on the diagram, the resulting electric field pattern.
K.C.S.E Physics Q & A - MODEL 2012PP2QN03
​Figure 3, shows four identical light bulbs connected to a 15 volts battery whose internal resistance is negligible.
​Determine the reading of the voltmeter V.
K.C.S.E Physics Q & A - MODEL 2012PP1QN19
​(a) Figure 14 shows a lift pump.
​Explain why, when the piston is:
(i) pulled upwards, valve A opens while valve B closes. (ii) pushed downwards, valve A closes while valve B opens. (b) After several strokes, water rises above the piston as shown in Figure 15. State how water is removed from the cylinder through the spout.
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