K.C.S.E Physics Q & A - MODEL 2005PP1QN16
​Fig 10 represents a transverse wave of frequency 5 Hz traveling in the x direction
Determine the speed of the wave.
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K.C.S.E Physics Q & A - MODEL 2005PP1QN15
A certain machine uses an effort of 400N to raise a load of 600N. If the efficiency of the machine is 75%, determine its velocity ratio.K.C.S.E Physics Q & A - MODEL 2005PP1QN14A bullet is fired horizontally from a platform 15m high. If the initial speed is 300ms-1. Determine the maximum horizontal distance covered by the bullet.K.C.S.E Physics Q & A - MODEL 2005PP1QN12&13
​Fig 9 shows a current carrying coil in a magnetic field. The direction of the current and the resulting force are shown. Study the figure and answer questions 12 and 13.
​Label the poles of the magnets.
Explain the purpose of the split ring commutator in the principle of the D.C motor shown in the diagram. K.C.S.E Physics Q & A - MODEL 2005PP1QN11
​ Fig 8 shows water drops on two surfaces. In 8 (a) the glass surface is smeared with wax while in 8 (b) the glass surface is clean.
​Explain the difference in the shapes of the drops.
answer
K.C.S.E Physics Q & A - MODEL 2005PP1QN09&10
​Fig 7 shows the features of a dry cell(Luclache). Use the information in the figure to answer question 9 and 10
​State the polorites of the parts labeled A and B.
A B 10. Name the chemical substance in the parts labelled C and D C D K.C.S.E Physics Q & A - MODEL 2005PP1QN08
​Sketch the electrostatic field pattern due to the arrangement of the charges shown in Fig 6
K.C.S.E Physics Q & A - MODEL 2005PP1QN07
​Two identical tubes A and B held horizontally contain air and water respectively. A small quantity of coloured gas is introduced at one end of A while a small quantity of coloured water is introduced at one end of B. state with reason the tube in which the colour will reach the other end faster.
answer
K.C.S.E Physics Q & A - MODEL 2005PP1QN06
​Fig 5. Shows an arrangement of a source of light, an opaque object and a screen.
Using A, B and C as point sources, sketch on the same figure labeled ray diagram to show what is observed on the screen.
K.C.S.E Physics Q & A - MODEL 2005PP1QN05
In a vacuum flask the walls enclosing the vacuum are silvered on the inside. State the reason for this.
answer
K.C.S.E Physics Q & A - MODEL 2005PP1QN04
A can with a hole on the side is filled with water to a certain height. Water jets out as shown in Fig. 4(a). a second identical can is filled with water to the same height and a block of wood floated on the water as shown in Fig. 4 (b)​
​State the reason why the maximum distance of the jet, d2 is greater than d1
answer
K.C.S.E Physics Q & A - MODEL 2005PP1QN03
​The light uniform bar in Fig 3 is equilibrium. The two beakers A and B contain water at the same temperature. The two blocks are made of the same material.
​If the temperature of the water in beaker A is now raised, explain why the beam tips to side A.
Assume the solid does not expand.
answer
K.C.S.E Physics Q & A - MODEL 2005PP1QN02
​ Fig 2 shows a solid cylinder standing on a horizontal surface. The cylinder is in stable equilibrium
​On the horizontal space provided, sketch the cylinder in neutral equilibrium
K.C.S.E Physics Q & A - MODEL 2005PP1QN01
​ Figure 1 shows the reading on a burette after 55 drops of a liquid have been used.
If the initial reading was at Zero mark, determine the volume of one drop.
K.C.S.E Physics Q & A - MODEL 2004PP1QN35&36
​Figure 18 shows the circuit of a npn-n transistor amplifier in common –emitter mode. Use the information on the figure to answer question 35 and 36
On the diagram
a) Label the collector current, Ic and IB b) Indicate the directions of 1c and 1B you have labeled in (a) above. Indicate on the diagram, the position where the output V0 would be tapped.
answer
K.C.S.E Physics Q & A - MODEL 2004PP1QN34The work function of a certain material is 3.2 3V. Determine the threshold frequency for the material. (1 electron Volt (eV)= 1.6 x10-19) and planks Constant h=6.62 x 10-34Js)
K.C.S.E Physics Q & A - MODEL 2004PP1QN33
State the difference between hard X-ray and soft X-rays.K.C.S.E Physics Q & A - MODEL 2004PP1QN32
​Figure 17 shows the appearance of an alternating signal on a screen of a cathode ray oscilloscope.
On the same diagram, sketch the appearance of the signal when the frequency is doubled and the voltage halved.
K.C.S.E Physics Q & A - MODEL 2004PP1QN31
A vertical object is placed at the focal point F of a diverging lens as shown in Figure 16.
​Sketch a ray diagram to show the image of the object.
K.C.S.E Physics Q & A - MODEL 2004PP1QN30
​Fig. 15 shows water waves of different wavelengths incidentical apertures A and B.
​Complete the diagram to show the pattern of the waves beyond the aperture in each case
K.C.S.E Physics Q & A - MODEL 2004PP1QN29
​A body mass 0.50kg is attached to the end of a string of length 50cm and whirled in a horizontal circle. If the tension in the string is 81N, determine the velocity of the body
K.C.S.E Physics Q & A - MODEL 2004PP1QN28
State the difference between X-rays and Gamma rays in the way in which they are produced.K.C.S.E Physics Q & A - MODEL 2004PP1QN27
​ A balloon is filled with air to volume of 200ml at a temperature of 293K. Determine the volume when the temperature rises to 353K at the voltmeter, V.
K.C.S.E Physics Q & A - MODEL 2004PP1QN26
​The capacitors in the circuit in fig 14 are identical and initially uncharged.
Switch S1 is closed while switch s2 remains open. After sometime, switch s1 is opened and switch s2 closed. Determine the final reading of the voltmeter, V
K.C.S.E Physics Q & A - MODEL 2004PP1QN25
​ A trolley is moving at a uniform speed along a track. A piece of plasticine is dropped on the trolley and sticks on it.
Explain why the trolley slows down.
answer
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