K.C.S.E Physics Q & A - MODEL 1997PP1QN04
A butcher has a beam balance and masses 0.5 kg and 2kg. How would he measure 1.5 kg of meat on the balance at once?
answers
4 Comments
K.C.S.E Physics Q & A - MODEL 1997PP1QN03
Give a reason why the weight of the body varies from place to place
answer
K.C.S.E Physics Q & A - MODEL 1997PP1QN02
Figure 2 shows a rigid body acted upon by a set of forces. The magnitudes of the forces are as follow
F1 = 3N1, F2 = 6N, F3 = 3N, F4 = 4 N1, F5 = 3N and F6 = 3 N
​Identify the couple among these forces
answers
K.C.S.E Physics Q & A - MODEL 1997PP1QN01
Figure 1 shows a measuring cylinder, which contains water initially at level A. A solid of mass 11 g is immersed in the water, the level rises to
Determine the density of the solid. (Give your answer to 1 decimal place)
K.C.S.E Physics Q & A - MODEL 1996PP1QN38
Figure 8 shows an object O placed in front of a concave lens with principal foci F and F Construct a ray diagram to locate the position of the image
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN37
In the Brownian motion experiment, smoke particles are observed to move randomly. Explain how this motion is caused
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN33
α- particles are more ionizing than beta- particles. Give one reason for this
In the figure 7 the circuit diagram contains bulbs B, a transistor T and a resistor R. A diode D is connected between points Y and X as shown. In the set up bulb B is not lit. When the connections YP and XQ are made, B lights. Answer questions 34, 35 and 36 with reference to the figure.
Name the type of transistor used in the circuit Explain the observation when the connections are made
answers
K.C.S.E Physics Q & A - MODEL 1996PP1QN32
The control grids in a cathode Ray Oscilloscope ( CRO) is used to control the brightness of the beam on the screen. How is this achieved?
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN31
What causes electromagnetic damping in a moving coil galvanometer
ANSWERS
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
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
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN27
Explain how a piece of a Polaroid reduces the sun's glare
ANSWERS
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
ANSWERS
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.
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN24
State how the pressure in a moving fluid varies with the speed of the fluid
ANSWERS
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
answers
K.C.S.E Physics Q & A - MODEL 1996PP1QN18
What characteristics of sound is applied in turning pianos?
answers
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
answers
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 |
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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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