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C.A.T. Physics Form One Question Paper

C.A.T. Physics Form One

Course:Secondary Level

Exam Year:2012

1.Name and explain any two branches of physics. (4 mks)
2.A page of a book measures 14.5 cm by 21.4 cm.What is its area in mm2.(3 mks)
3.Name any three fundamental quantities of matter and state their SI units. (3 mks)
4.A beaker of radius 3 cm contains water to a height of 10 cm.
a)What is the volume of the water in the beaker? (3 mks)
b)When astone is completely immersed in water the water rises to a height of 19 cm.What is the volume of the stone? (3 mks)
5.Define force and state its SI units. (1 mks)
6.Give four differences between mass and weight. (4 mks)
7.Moons gravitational pull is 1/6 of the earths gravitational pull.Calculate the weight of a body whose mass is 40 kg on:
a)The moon
b)The earth (4 mks)
8.Classify the following quantities into scalars and vectors:mass,length,time,distance,density,force,volume,area,weight and tension.(5 mks)
9.Bronze is made by mixing two metals copper and tin.If the 100kg of the mixture contains 80% of copper and 20% tin(densities of copper and tin is 8900kg/m3 and 7000kg/m3 respectively).Find the density of bronze. (4 mks)
10.Show that pressure in liquids is given by P=dhg (3 mks)
11.State the principle of transmission of pressure in liquids. (1 mk)
12.The area of the large piston of hydraulic machine is 18 cm2 and that of the smaller one is 3 cm2.A force of 2 N is applied on the smaller piston.Find the force produced at the large piston. (3 mks)
13.A mercury barometer has a height of 75 cm of mercury at a certain town.Find the atmospheric pressure at the town given that:density of mercury is 13600kg/m3 and that of g=10 N/kg
14.Explain why a hippopotamus though heavy than a cow,does not sink on the soft banks of a river while a cow which is much lighter sinks. (3 mks)

C.A.T. Physics Form One Question Paper

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