K.C.S.E Physics Q & A - MODEL 2004PP1QN24
​Figure 13 shows a coin placed in a large empty container. And observer looking into the container from the position shown is unable to see the coin
​Sketch two rays from a point on the coin to show how the observer is able to see the image of the coin after the container if filled with water.
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K.C.S.E Physics Q & A - MODEL 2004PP1QN23
​Figure 12 shows a parabolic surface with a source of light placed at its focal point F
​Draw rays to show reflection from the surface when rays from the source strike the surface at points ABC and D.
K.C.S.E Physics Q & A - MODEL 2004PP1QN21&22
​A certain powder of mass. 0.10kg was heated in a container by an electric heater rated 50 w for sometime. The graph below shows the variation of the temperature of the powder with time. Use this information and the graph to answer question
21 and 22.
i) Determine the quantity of heat by the heater from the time the power starts to melt to the time it has all melted.
ii) Determine the specific latent heat of fusion of powder assuming the container absorbs negligible amount of heat K.C.S.E Physics Q & A - MODEL 2004PP1QN20
​ An electric heater is connected to the mains supply. A fault in the mains reduces the supply potential slightly.
Explain the effect on the rate of heating of the heater.
K.C.S.E Physics Q & A - MODEL 2004PP1QN19
State the difference between mechanical and electromagnetic waves.K.C.S.E Physics Q & A - MODEL 2004PP1QN18
​A body of mass 60kg is pulled at a uniform velocity up smooth inclined surface as shown in Figure 1
​If the distance moves along the incline is 4.0m, determine work done by the force F.
K.C.S.E Physics Q & A - MODEL 2004PP1QN17
​The graph below shows how the velocity varies with time for a body thrown vertically upwards.
​Determine the total distance moved by the body
K.C.S.E Physics Q & A - MODEL 2004PP1QN15&16
​Figure 10 show two circuits in which identical dry cells and identical bulbs are used. Use the information in the figure to answer questions 15 and 16
Explain why the bulb in Figure 10(10) will be brighter than each of the bulbs in Figure 10 (a)
Give the reason why the cells in figure 10(b) can be used for a longer period than the cells in Figure 10 (a) K.C.S.E Physics Q & A - MODEL 2004PP1QN14
​The system in figure 9 is in equilibrium.
Determine the weight if the bar.
K.C.S.E Physics Q & A - MODEL 2004PP1QN12&13
​Figure 8 shows a current-carrying coil in a magnetic field.
Use the information on the figure to answer question 12 and 13.
Mark on figure 8 the direction of the forces acting on the sides of the coil labeled State two ways of increasing the force on the coil. K.C.S.E Physics Q & A - MODEL 2004PP1QN11
​ Figure 7 shows the poles of two magnets close together.
​Figure 8 shows a current-carrying coil in a magnetic field.
K.C.S.E Physics Q & A - MODEL 2004PP1QN10
State one way of reducing surface tension in water.
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN09
State the purpose of Manganese dioxide in a dry cell
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN08
​Figure 6 (a) shows three spherical balls of the same size placed on insulating stands. Balls A and B are conductors while ball C is non conductor. Ball A was initially charged as shown. The quantity of charge is represented by the number of dashes.
​Ball A is made to touch B momentarily and then C. Show on Figure 6(b), the final distribution of charge on the balls.
K.C.S.E Physics Q & A - MODEL 2004PP1QN07Figure 5 shows two mirrors inclined at an angle of 600 to each other. A ray of light is shown
Sketch the same diagram, the path of the ray until it leaves the two mirrors. Indicate the angles at each reflection.
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN06
​Two identical aluminium rods as shown in figure 4. One rests on metal block the other on the wooden Block. The protruding ends are heated on a Bunsen burners shown.
​State with reason on which bar the wax is likely to melt.
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN04
Give a reason why water is not a suitable liquid for use in a barometer
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN03
​ Fig 3 shows a rectangular block of wood with a hollow section (inside) at the position shown.
The block is resting on a Horizontal bench
​(i) State the effected on the stability of the block when the hollow section is filled with water.
ii) Explain your answer in (i) above.
answers
i)Stability reduced/Lower /less stable
(ii)Upper section heavier/hollow section becomes heavy/more massive top Raising the c.o.g of the block. K.C.S.E Physics Q & A - MODEL 2004PP1QN02
​The system in figure 2 is in equilibrium at room temperature.
The system is taken outside where the temperature is 10°c higher for sometime.
Explain why it tips to the right immediately it is returned to the room
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN01
​Figure 1 shows a micrometer screw gauge being used to measure the diameter of a ball bearing.
A magnified portion of the scale is shown.
​Record the diameter of the ball bearing
answer
K.C.S.E Physics Q & A - MODEL 2003PP1QN37
​ Figure 20 shows three capacitors connected between two points A and B.
Determine the capacitance across AB
K.C.S.E Physics Q & A - MODEL 2003PP1QN36
Figure 19 shows a pith ball placed in a flask. When a jet of air is blown over the mouth of the flask as shown, the pith ball is observed to rise form the botto
​Explain this observation
ANSWER
K.C.S.E Physics Q & A - MODEL 2003PP1QN35K.C.S.E Physics Q & A - MODEL 2003PP1QN34
​Figure 18 shows the pattern produced by an A.C voltage on a CRO screen.
​On the same figure, sketch the pattern produced by the same voltage when the time base is switched off.
K.C.S.E Physics Q & A - MODEL 2003PP1QN32&33
​Two identical copper coils p and Q are placed close to each other as shown in Figure 17. Coil P is connected to a D>C power supply and coil Q is connected to a galvanometer, G.
​Use this information to answer questions 32 and 33.
State and explain what would be observed on the galvanometer immediately the switch S is closed. State with reason the difference that would be noted in the observation made in question 32 if the number of turns in coils Q were doubled.
ANSWERS
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