K.C.S.E Physics Q & A - MODEL 1999PP2QN06
​a) Explain the following observations: ice cube float on water and solid benzene sinks in liquid benzene.
bi) You are provided with the following: An overflow can - A beaker -A spring balance A metal block -Water and - String Describe an experiment to verify Archimedes principle. ii) A block of wood weighing 2.0N is held under water by a string attached to the bottom of a container. The tension in the string is 0.5N. Determine the density of the wood. ci) Define half – life of a radioactive material. ii) Figure 6 shows a graph of the variation of the number of atoms of a certain radioactive material with time. Figure6: Determine the half – life of the material 
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K.C.S.E Physics Q & A - MODEL 1999PP1QN20
A substance of mass 2kg and specific heat capacity 400 Jkg K initially at 81°C is immersed in water at 20°C. If the final temperature is 21°C. Determine the mass of water. (The specific heat capacity of water is 4200j/kgK). Give your answer to 1 decimal place
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​K.C.S.E Physics Q & A - MODEL 1998PP1QN03
A heating coil rated 1000 W takes 15 minutes to heat 20kg of a liquid from 26°C of 42°C. Determine the specific heat capacity of the liquid.
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K.C.S.E Physics Q & A - MODEL 1997PP2QN01
Figure 1 shows a circuit diagram for controlling the temperature of a room.
​(i) State and explain the purpose of the Bimetallic strip
(ii) Describe how the circuit controls the temperature when the switch is closed (b) A drinking glass 0.02 kg contains 200gms of water at 20°C. A mass of 0.04 kg of ice at 00 C is dropped into the glass. Determine the final temperature of the mixture. Specific heat capacity of glass = 670kg1K1. (Give your answer to correct ne decimal place)
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FORM I - PHYSICS SYLLABUSFORM II - PHYSICS SYLLABUSTOPICS
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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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