K.C.S.E Physics Q & A - MODEL 2018PP1QN06
​Figure 3 shows the shape of a bimetallic strip after it was cooled below room temperature.
​Explain why the strip curved as shown.
answer
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K.C.S.E Physics Q & A - MODEL 2017PP1QN09
​Figure 2 shows a round bottomed flask fitted with a long capillary tube containing a drop of coloured water.
​The flask is immersed in ice water for sometime. State the observation made.
answer
K.C.S.E Physics Q & A - MODEL 2015PP1QN10
​A balloon is filled with hydrogen gas and then released into the air. It is observed that as it rises higher into the air it expands. Explain why it expands.
ANSWER
​K.C.S.E Physics Q & A - MODEL 2013PP1QN12
State why it is necessary to leave an air space in a closed glass bottle of water when it is to be kept in a refrigerator.
answer
K.C.S.E Physics Q & A - MODEL 2011PP1QN04
​Figure 3 shows an aluminum tube tightly stuck in a steel tube.
​Explain how the two tubes can be separated by applying a temperature change at the junction given that aluminum expands more than steel for the same temperature rise.
ANSWER
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