K.C.S.E Physics Q & A - MODEL 1996PP1QN30
The moment of the weight of vertical door does not significantly affect the moment of the force required to open the door. Give a reason for this
ANSWERS
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K.C.S.E Physics Q & A - MODEL 1996PP1QN29
A solid copper sphere will sink in water while a hollow copper sphere of the same mass many float. Explain this observation
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN28
An observer A is in a moving vehicle with a siren on while an observer B is stationary on the side of the road. State the difference between the sound heard by A and B as the vehicle approaches B at a high constant speed
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K.C.S.E Physics Q & A - MODEL 1996PP1QN27
Explain how a piece of a Polaroid reduces the sun's glare
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K.C.S.E Physics Q & A - MODEL 1996PP1QN26
A house in which as cylinder containing cooking gas is kept unfortunately catches fire. The cylinder explodes. Give an explanation for the exposition
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K.C.S.E Physics Q & A - MODEL 1996PP1QN25
In some petrol engines where spark plugs are used, a capacitor is connected to the distributor. Suggest the function of the capacitor.
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K.C.S.E Physics Q & A - MODEL 1996PP1QN24
State how the pressure in a moving fluid varies with the speed of the fluid
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K.C.S.E Physics Q & A - MODEL 1996PP1QN23
A small object lies at the bottom of a water pond at a depth of 1.2 m. Given that the refractive index of water is 1.3, determine the apparent dept of the object. (Give your answers to 1 decimal place)
K.C.S.E Physics Q & A - MODEL 1996PP1QN22
A lady holds a large concave of facal length 1 m, 80 cm from her face, state two characteristics of her image in the mirror
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN21
Equal masses of water and paraffin with specific heat capacities CW and CP respectively are heated using identical sources of heat, for the same length of time. The final temperature θP of paraffin was found to be greater than final temperature than of water, Show that CW is greater than CP.
K.C.S.E Physics Q & A - MODEL 1996PP1QN20
A girl heats 5 kg of water to temperature of 80C. When she adds m kg of water at 15 C the mixture attains temperature of 40C. Determine the value of m. (ignore heat changes due to the container)
K.C.S.E Physics Q & A - MODEL 1996PP1QN19
In large current circuits large resistors in parallel are preferred to low resistors in series explain
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K.C.S.E Physics Q & A - MODEL 1996PP1QN18
What characteristics of sound is applied in turning pianos?
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K.C.S.E Physics Q & A - MODEL 1996PP1QN17
Circular water waves generated by a point sources at the centre. O of the pond are observed to have the pattern shown in figure 6
​Explain the pattern
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K.C.S.E Physics Q & A - MODEL 1996PP1QN16
Sketch in the space provided below, a labeled diagram to show how an arrangement of a single pulley may be used to provide a mechanical advantage of 2
K.C.S.E Physics Q & A - MODEL 1996PP1QN14&15
Figure 5 shows a wheel W pivoted at its centre, O and held stationary by a string and a spring. The tension in the strings is T and the force on the springs is F.
Use this information to answer 14 and 15
​(a)State how the magnitudes of T and F compare. Give reasons for your answer
(b)State what would happen to the wheel if the string snapped
answers
(a)T< F or F> TMoments of T and F about are equal; but the perpendicular distance from O to T perpendicular distance from O to F/ Resultant moment are zero
(b)Turn anticlockwise about O, OR Oscillate about O K.C.S.E Physics Q & A - MODEL 1996PP1QN13
Figure 4 shows tow parallel current conductors A and B placed close to each other. The direction of the current is into the plane of the paper.
On the same figure; (i) Sketch the magnetic field pattern (ii) Indicate the force F due to the current on each conductor
K.C.S.E Physics Q & A - MODEL 1996PP1QN10
The pitch of the note produced by a wire depends on the tension in the wire. State the other factor that effects the pitch
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN12
​Thermistor, TH, is connected in parallel with a bulb as shown in figure 3. The bulb is lit. When the thermistor is steadily heated the brightness of the bulb reduces. Explain this observation
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN11
Name two forces that determine the shape of liquid drop on the solid surface.
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN09
State the law of electrostatic charges
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K.C.S.E Physics Q & A - MODEL 1996PP1QN08
A vertical object placed on a bench is observed to have three shadows of different sharpness, in different directions. Explain this observation
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K.C.S.E Physics Q & A - MODEL 1996PP1QN07
Give a reason why heat transfer by radiation is faster than heat transfer by conduction
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K.C.S.E Physics Q & A - MODEL 1996PP1QN06
Give a reason why a concrete beam reinforced with steel does not crack when subjected to changes in temperature
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K.C.S.E Physics Q & A - MODEL 1996PP1QN05
A small nail may pierce an inflated car tyre and remain there without pressure reduction in the tyre. Explain this observation
answers
(i) Rubber is elastic and when a nail pushed through it stretches and grips the nail firmly without allowing air leakage
(ii) Valve effect pressure from inside causes tyre rubber to press firmly on the nail |
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M.A NyamotiMy passion is to see students pass using right methods and locally available resources. My emphasis is STEM courses
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