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K.C.S.E Physics Q & A - MODEL 2017PP1QN04
When a liquid is heated in a glass flask, it is observed that the level at first goes down and then rises. Explain this observation.
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K.C.S.E Physics Q & A - MODEL 2016PP1QN07
​Figure 5 shows an aluminium tube tightly stuck in a steel tube.
Explain how the two tubes can be separated by applying a temperature change at the same junction given that aluminum expands more than steel for the same temperature rise.
answer
K.C.S.E Physics Q & A - MODEL 2016PP1QN06
Figure 2 shows a uniform light bar resting horizontally on corks floating on water in two beakers A and B.
​Explain why the bar tilts towards side A when equal amount of heat is supplied to each beaker
answer
K.C.S.E Physics Q & A - MODEL 2016PP1QN05
Fig. 3 shows a hot water bath with metal rods inserted through one of its sides. Some wax is fixed at the end of each rod. Use this information to answer question 5(a) and 5(b).
​What property of metals could be tested using this set-up?
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K.C.S.E Physics Q & A - MODEL 2015PP1QN12
​Figure 6 shows a glass tube with water fitted with two identical thermometers A and B.
It is heated as shown 
​State with a reason which one of the two thermometers shows a higher temperature.
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