K.C.S.E Physics Q & A - MODEL 2006PP1QN05
​The spiral springs shown in figure 4 are identical. Each spring has a spring constant k= 300N/m
​Determine the total extensions caused by the 90N weight. ( ignore the weight of the spring and connecting roots)
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K.C.S.E Physics Q & A - MODEL 2006PP1QN04
​Figure 3 shows a bimetallic strip with a wooden handle, suspended horizontally using a thin thread.
​The strip is heated at the point shown. Explain why the system tips to the right
answer
K.C.S.E Physics Q & A - MODEL 2006PP1QN03
State Pascal‟s principle of transmission of pressure in fluids
answer
K.C.S.E Physics Q & A - MODEL 2006PP1QN02
Figure 2 (a) shows body being acted on by two forces, F1 and F2
​On figure 2 (b) draw the force F3 that has same effect on the body as the two forces
K.C.S.E Physics Q & A - MODEL 2006PP1QN01
​ 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 gcm-3 ( Give your answer correct to 2 decimal places)K.C.S.E Physics Q & A - MODEL 2005PP1QN38
​Fig 18 shows two spherical materials one an insulation conductor, the other a conductor, Negative charge are introduced at point A in each case.
​One the same figure indicate the final position of the charges. Explain your answer.
K.C.S.E Physics Q & A - MODEL 2005PP1QN37
​ In the set up Fig 17 the metal rod is made up of steel and iron pieces joined end. Your are provided with two iron nails
​Explain how you would use two nails provided to determine which side is iro
ANSWERS
K.C.S.E Physics Q & A - MODEL 2005PP1QN36
​The following represents a nuclear reaction involving the nuclide polonium P
​Identify m, n and X
m n X
K.C.S.E Physics Q & A - MODEL 2005PP1QN35
Draw appropriate symbols the circuit diagram of a junction diode in reverse bias.
K.C.S.E Physics Q & A - MODEL 2005PP1QN34
Explain why a drop of methylated spirit on the back of the hand feels colder than a drop of water at the same temperature.
ANSWER
K.C.S.E Physics Q & A - MODEL 2005PP1QN33
The target of X-ray tube s made of melting point. Give a reason for this
ANSWER
K.C.S.E Physics Q & A - MODEL 2005PP1QN32
​Fig 16 shows wave fronts in a ripple tank approaching a shallow region in the tank
​Complete the diagram to show the wave front as they pass over the shallow region and after leaving the regions
Explain how an “excited‟ hydrogen atom is able to emit radiations of different wavelengths.13/7/2020
K.C.S.E Physics Q & A - MODEL 2005PP1QN31
Explain how an “excited" hydrogen atom is able to emit radiations of different wavelengths.
ANSWERS
K.C.S.E Physics Q & A - MODEL 2005PP1QN30
​An illuminated vertical object is initially placed on the principal axis of a converging lens and 32cm from it. The focal length of the lens 15cm. The object is new placed at a point 12cm from the lens and on the same side. State two changes other than magnification than magnification that that are observed on the image formed due to this change.
ANSWER
K.C.S.E Physics Q & A - MODEL 2005PP1QN29
A car of mass 800kg moves on a circular track of radius 20m. The force of friction between the tyres and the tarmac is 4800N Determine the maximum speed at which the car can be driven on the track without skidding.
K.C.S.E Physics Q & A - MODEL 2005PP1QN28
​Fig 15 shows an arrow which indicates the direction of travel of a wave in a medium. P is a particle of the medium that is in path of the wave.
​In the space provided sketch diagram to show how the particles P moves when the wave is
(i) A transverse wave (ii) A longitudinal wave. K.C.S.E Physics Q & A - MODEL 2005PP1QN27The melting point of oxygen is given as -281.30C. Covert this temperature to Kelvin (K)
ANSWER
K.C.S.E Physics Q & A - MODEL 2005PP1QN26
State Bernoulli's principle.
ANSWERS
K.C.S.E Physics Q & A - MODEL 2005PP1QN25
​Fig 14 shows the velocity- time graph for a small metal sphere falling through a viscous fluid.
​On the axes provided sketch the graph of momentum against time for the same mass.
K.C.S.E Physics Q & A - MODEL 2005PP1QN23&24
​Fig 13 shows rays of light AO,BO, and CO incident on a glass-air interface. OA" OB" and OC" are the corresponding emergent rays. Study and answer questions 23 and 24.
​Determine the critical angles of the glass material
Determine the refractive of index of the glass material. K.C.S.E Physics Q & A - MODEL 2005PP1QN22
​ Fig. 12 shows a vertical object, O, placed in front of a convex mirror.
On the same diagram draw the appropriate rays and locate the image formed
K.C.S.E Physics Q & A - MODEL 2005PP1QN20&21
​Fig 11 shows the variation of temperature, with time t, when an immersion heater is used to heat a certain liquid. Study the figure and answer questions 20 and 21.
​ State the reason for the shape of graph in the section labeled BC
Sketch on the same axes the graph for another liquid of the same mass but higher specific heat capacity when heated from the same temperature.
K.C.S.E Physics Q & A - MODEL 2005PP1QN19
A hair drier is rated 2500W, 240V. Determine its resistance.K.C.S.E Physics Q & A - MODEL 2005PP1QN18
​A student wishes to investigate the relationship between current and voltage for certain device X. In the space provided, draw a circuit diagram including two cells, rheostat, ammeter, voltmeter ad the device X that would be suitable in obtaining the desired results.
K.C.S.E Physics Q & A - MODEL 2005PP1QN17
​An electronic siren producing sound continuously at a certain frequency is dropped from the top to a deep hole. State and explain what is observed about the pitch of the sound reaching the observer at the top.
answers
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