K.C.S.E Physics Q & A - MODEL 2002PP1QN09
​ Fig. 4 shows electrical circuit. When the switch is closed the ammeter reading is 0.3 A.
Determine the voltmeter reading.
ANSWER
0 Comments
K.C.S.E Physics Q & A - MODEL 2002PP1QN08Fig. 3 shows two rays of A and B entering a semi – circular glass block which has a critical angle of 42o. The rays are incident at an air – glass boundary at point O.
Complete the path of the two rays from point O. label A" and B" the corresponding rays.
K.C.S.E Physics Q & A - MODEL 2002PP1QN07
​An electric heater is placed at equal distances from two similar metal cans A and B filled with water at room temperature. The outer surface of can is shiny while that of can B is dull black. State with reasons which can will be at a higher temperature after the heater is switched on for some time.
ANSWER
K.C.S.E Physics Q & A - MODEL 2002PP1QN06
When an inflated balloon is placed at equal in a refrigerator it is noted that its volume reduces. Use the kinetic theory of gases to explain this observation.
answers
K.C.S.E Physics Q & A - MODEL 2002PP1QN05The total weight of a car with passengers is 25,000N. The area of contact of each of the four tyres with the ground is 0.025m2. Determine the minimum car tyre pressure.K.C.S.E Physics Q & A - MODEL 2002PP1QN04A current of 0.70 A flows through a wire when a p.d of 0.35 V id applied at the ends of the wire. If the wire is 0.5m long and has a cross section area of 8.0 x 10-3 m-2, determine its resistivity.
K.C.S.E Physics Q & A - MODEL 2002PP1QN03
If the portion of the rock represented by the shaded part is chopped off explain why the rock may topple to the right.
answer
K.C.S.E Physics Q & A - MODEL 2002PP1QN02
Fig. 2 represents a rock balanced at point O.G is the center of gravity of the rock. Use this information to answer questions 2 and 3.​
​Draw and label on the figure, the forces acting on the rock.
K.C.S.E Physics Q & A - MODEL 2002PP1QN01
​Fig one shows a micrometer crew gauge being used to measure the diameter of a metal rod.
The thimble scale has 50 divisions
What is the reading shown?
K.C.S.E Physics Q & A - MODEL 2001PP2QN07
​ai) State the pressure law of an ideal gas.
ii) The pressure p, of a fixed mass of a gas at constant temperature T= 300K is varied continuously. The corresponding values of P and the volume V of the gas are shown in table 2.
​Given that PV = 2RT where R is a constant, plot an appropriate graph and use it to determine r.
b) A tin closed with an airtight lid contains air at a pressure of 1.0 x 105+ Pa and temperature of 12 C. The tin is heated in a water bath until the lid opens. If the temperature at which the lid opens is 88C, determine the pressure attained by the gas. (Ignore expansion of the tin).K.C.S.E Physics Q & A - MODEL 2001PP2QN06
​a i) State one of the Newton's law of motion
ii) A body resting on a horizontal surface is given an initial velocity V so that it slides on the surface for some distance before coming to a stop. Table I shows the distances d moved by the body of various values of u
Given that v2 is 20 (miu)d where u is a constant for the surface, plot a appropriate graph and use it to determine u.
Determine values of u on table. b) A train of mass 200 tonnes starts from rest and accelerates uniformly at 0.5ms-2 determine its momentum after moving 100m. K.C.S.E Physics Q & A - MODEL 2001PP2QN05
​a) You are provided with 12V a.c source, four diodes and resistor.
i) Draw a circuit diagram for a full wave rectifier and show the points at which the output is taken. AC source shown-symbols; arrangement of diode (one for each pair); correct position of R; correct position of output. ii) Sketch the graph of the output when a capacitor is put in parallel with the resistor in the circuit in (i) above.
​b) A certain transistor is connected in common-emitter-mode. The base current IB is 0.50 ma. Determine the values of the:
(i) Emitter current IE. (ii) Base-collector current gain beta (iii) Current gain alpha K.C.S.E Physics Q & A - MODEL 2001PP2QN04
Fig 3 shows the main features of a cathode ray tube (CRT) of a cathode ray oscilloscope (CRO)​
i) Describe how the electrons are produced in the tube.
|
CATEGORIES
Categories
All
Topics
FORM I - PHYSICS SYLLABUSFORM II - PHYSICS SYLLABUSTOPICS
FORM III - PHYSICS SYLLABUSFORM IV - PHYSICS SYLLABUSARCHIVES
RSS FEEDS
AUTHOR
M.A NyamotiMy passion is to see students pass using right methods and locally available resources. My emphasis is STEM courses
|
We Would Love to Have You Visit Soon! |
Hours24 HR Service
|
Telephone0728 450425
|
|
8-4-4 materialsLevels
Subjects
|
cbc materialsE.C.D.E
Lower Primary
Upper Primary
Lower Secondary
Upper Secondary
|
teacher support
Other Blogs
|