Physics Question Paper

Physics

Course:Secondary Level

Exam Year:2012

1. Define temperature and state its SI unit. (1mk)
2. In a ball and ring experiment, the ball was heated and brought to pass through the ring. State the observation that was made and explain your answer. (3mks)
3. Define linear expansivity. (1mk)
4. The figure below shows the variation of volume of water with temperature.

a) What happens at;
A-B: (1mk)
B-C: (1mk)
b) What does the graph shows? (1mk)
5. Explain why fish and aquatic animals and plants can survive under a frozen Lake/Pond (3mks)
6. Giving examples with ice, differentiate between Lower and upper fixed points (2mks)
7. Study the figure below very carefully.

a) Name the parts labeled
A ________________________________ (1mk)
B _________________________________ (1mk)
C _________________________________ (1mk)
b) What is the name of the liquid marked D (1mk)

c) What name is given to the above device? (1mk)

d) Explain how the above device can be sterilized (2mks)

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