K.C.S.E Physics Q & A - MODEL 2003PP1QN06
​In the set up shown in Figure 4, it is observed that the level of the water initially drops before starting to rise.
​Explain this observation
answer
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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 2001PP1QN24
​Two identical containers A and B are placed on a bench. Container A is filled with oxygen gas and container B with hydrogen gas such that the two gases have equal masses. If the containers are maintained at the same temperature state with reason the container in which the pressure is higher.
answer
K.C.S.E Physics Q & A - MODEL 2000PP1QN08
A wooden bench and a metal bench are both left in the sun for along time. Explain why the metal bench feels hotter to touch.
ANSWER
K.C.S.E Physics Q & A - MODEL 1998PP1QN16
In figure 4 one end of a metal rod is placed in steam and the other end in melting ice. The length of the rod in between in lagged.
State two factors that determine the rate at which ice melts.
ANSWER
K.C.S.E Physics Q & A - MODEL 1998PP1QN09
Water of mass 3kg at a temperature of 90°C is allowed to cool for 10 minutes.
State tow factors other than humidity. that determine the final temperature.
ANSWER
K.C.S.E Physics Q & A - MODEL 1997PP1QN09
Figure 3 shows two aluminium containers, A and B placed on a wooded table. A and B have equal volumes of hot water initially at the same temperature.
answers
K.C.S.E Physics Q & A - MODEL 1997PP1QN07
Explain why a glass container with thick walls is more likely to crack than one with a thin wall when a very hot liquid is poured into them.
answers
K.C.S.E Physics Q & A - MODEL 1996PP1QN07
Give a reason why heat transfer by radiation is faster than heat transfer by conduction
answers
In the set up shown in figure 3, water near the top of the boiling tube boils while at the bottom it remains cold.Give a reason for the observation (1mk)
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