K.C.S.E Physics Q & A - MODEL 2003PP1QN04The reading on a mercury barometer at a place in 700mm. What is the pressure at the place Nm-2 (Density of mercury is 1.36 x 104 kgm-3)
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K.C.S.E Physics Q & A - MODEL 2003PP1QN03
​ Figure 3 shows two identical trolleys with loads A and B. The loads are identical in shape and size.
​Given that the density of A is greater than that of B, explain why the trolley in figure 3(ii) is more suitable.
answer
K.C.S.E Physics Q & A - MODEL 2003PP1QN02
Two identical spring balances R and S each weighing 0.5N are arranged as shown in Figure 2.
What is the reading on balance R?
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K.C.S.E Physics Q & A - MODEL 2003PP1QN01
Figure 1 shows a measuring cylinder containing some liquid
Another 5cm3 of the liquid is added into the cylinder. Indicate on the diagram the new level of the liquid.
K.C.S.E Physics Q & A - MODEL 2002PP1QN34
Light of a certain wavelength strikes the surface of a metal. State what determines the maximum kinetic energy of the electron emitted.
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K.C.S.E Physics Q & A - MODEL 2002PP1QN33
​Fig. 15 shows a wire XY placed in a magnetic field.
​State the direction in which the wire must be moved for the current to move in the direction shown.
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K.C.S.E Physics Q & A - MODEL 2002PP1QN32
State the property of X-rays, which makes it possible to detect cracks in bones.
answer
K.C.S.E Physics Q & A - MODEL 2002PP1QN31
A nucleus is represents by 10742x. State the number of neutrons in the nucleus.
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K.C.S.E Physics Q & A - MODEL 2002PP1QN30
The following table shows electrical appliances to be used in a house. The electrical rating for each appliance is shown. The following fuses are available, 5A, 15A, 30A and 45A.
​Determine which one of the fuses is suitable for the house.
K.C.S.E Physics Q & A - MODEL 2002PP1QN29
​ The circuit figure 14 represents a simple radio receiver.
​On the axes provided, sketch the waveform observed on the CRO for the signal shown.
K.C.S.E Physics Q & A - MODEL 2002PP1QN28
​Fig. 13 represents an object O placed 10cm in front of a diverging lens is the focal point of the lens.
Draw rays to locate the position of the image. Determine the image distance.
K.C.S.E Physics Q & A - MODEL 2002PP1QN27
Cobalt 60 is a radio isotope that has a half – life of 5.25 years. What fraction of the original atoms in a sample will remain after 21 years?
answer
K.C.S.E Physics Q & A - MODEL 2002PP1QN26
​A small object moving in a horizontal circle of radius 0.2m makes 8 revolutions per second.Determine its centripetal acceleration.
K.C.S.E Physics Q & A - MODEL 2002PP1QN25A block of glass of mass 250g floats in mercury. What volume of glass lies under the surface of the mercury? (Density of mercury is 13.6 x 103 kgm-3).K.C.S.E Physics Q & A - MODEL 2002PP1QN24
​The audible frequency range for a certain person is 30 Hz and 16,500 Hz. Determine the largest wavelength of sound in air the person can detect.(Speed of sound in air = 330m/s)
K.C.S.E Physics Q & A - MODEL 2002PP1QN23
​Fig. 12 shows water waves incident on an aperture AB.
​On the same diagram, sketch the waves after going through the aperture.
K.C.S.E Physics Q & A - MODEL 2002PP1QN22
On the axes provided sketch the P-V graph for a gas obeying Boyle's law.
K.C.S.E Physics Q & A - MODEL 2002PP1QN21
​Fig. 11 shows part of the circuit containing tow capacitors of 2 uF and 3uF respectively.
​Determine the p.d across AB given that the total charge in the capacitors is 1x10-4 Coulombs.
K.C.S.E Physics Q & A - MODEL 2002PP1QN20
A high jumper usually lands on thick soft mattress. Explain how the mattress helps in reducing the force of impact.
answers
K.C.S.E Physics Q & A - MODEL 2002PP1QN19
​An immersion heater rated 90W is placed is a liquid of mass 2kg. When the heater is switched on for 15 minutes the temperature of the liquid rises form 20°C to 30°C .Determine the specific heat capacity of the liquid. (Assume no heat losses)
K.C.S.E Physics Q & A - MODEL 2002PP1QN18
An electric bulb with a filament of resistance 480ohms is connected to a 240V mains supply.
Determine the energy dissipated in 2 minutes
K.C.S.E Physics Q & A - MODEL 2002PP1QN17
Name two factors other than tension, which determine the frequency of sound form stretched wire at room temperature.
answers
K.C.S.E Physics Q & A - MODEL 2002PP1QN16
The chart below shows an arrangement of different parts of the electromagnetic spectrum
​Name the radiation represented by A.
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K.C.S.E Physics Q & A - MODEL 2002PP1QN15
​Fig. 10 shows how the potential energy, (P.E) of a ball thrown vertically upwards, varies with height.
On the same axes, plot a graph of the kinetic energy of the ball.
answer
K.C.S.E Physics Q & A - MODEL 2002PP1QN14
​Fig. 9 shows a speed – time graph for the journey of a motorcar.
​Determine the distance the car travels in the first 40 seconds.
answer
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