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THE UNITED REPUBLIC OF TANZANIA MINISTRY OF EDUCATION AND VOCATIONAL TRAINING
FORM TWO SECONDARY EDUCATION EXAMINATION, 2010
Time: 2 Hours
1.This paper consists of sections A, B and C.
2.Answer ALL questions
3.Read carefully the instructions given in each section.
4.Write your examination number on every page.
5.Cellphones and calculators are not allowed in the examination room.
1.Answer all questions in this section by writing the letter of the correct answer beside the question number.
(i)Which of the following is a unit of length:
(ii)The reading accuracy of a steel ruler is:
(iii)Ohm is the SI unit of:
(iv)One of the following is not a pair of forces:
(v) A car starts from rest and accelerates uniformly at a rate of 6m/s2. What is its velocity 7 seconds later?
(vi)A boy weighing 45kg climbs up a stair case to height of 7 m in 5 seconds. The amount of work done by the boy:
(vii)A chemical engineer who wants to know the degree of hotness of the liquid to be used in the chemical process should measure its:
(viii)One of the following is a method of electrification:
(ix)A victim of electric shock is helped by:
(x)A current of 0.2A flows through a resistor of 20Ω. The p.d. across the resistor is:
(xi) As the balloon goes up, the weight of air displaced becomes less and less. This means that the upthrust:
(xii)The action of the gun and the bullet fired supports:
(xiii)When a bus is moving with constant velocity, its acceleration is:
(xiv)The process which helps the rise of kerosene in the wick of a lamp is called:
(xv)A body weights 3.0N in air. When it is completely immersed in a liquid it weighs 2.2N, the upthrust experienced by the body is:
(xvi) A stone is found to have 50 kg by mass at Moshi. When sent to Dar es Salaam its mass will be:
(xvii)Pressure in a liquid contained in a vessel depends on the:
(xviii)Charging an object by friction results in the transfer of particles called:
(xix)Juma wanted to measure the volume of a stone with an irregular shape. Which of the following pairs of instruments would you recommend that he use?
(xx)Penumbra refers to:
2.Match the items in List A with responses in List B by writing the letter of the correct response beside the item number.
3.Complete each of the following statements by writing the correct answer in the spaces provided:
a)Mass, length and ____are the three fundamental quantities of measurment in Physics.
b)Mention two applications of density in daily life:
c)The formation of a shadow is evidence that light travels in ____
4.The mass of an empty density bottle was 50g. When filled with a certain liquid of volume 20cm3 its mass became 75g. Find the:
a)Density of the liquid
b)Relative density of the liquid
5.a) Define the term “power”.
b) A man whose mass is 75 kg walked up 12 steps of 20 cm each in 5 seconds. Find the power that was developed.
6. a) State the two Laws of Reflection.
b)Draw a diagram showing a plane reflecting surface, reflected ray, incident ray, the normal, angle of incidence and angle of reflection.
c)What is the relationship between angle of incidence and angle of reflection?
7.a) A car accelerates uniformly from rest to a speed of 15 km/hr in 10 seconds. Find: (i) The acceleration in m/s2.
(ii) The distance covered during this period in metres.
b)The maximum retardation with which the breaks of a locomotive can reduce its speed is
1.8m/s2. Calculate the time in which the locomotive can be brought to rest.
8.Two cells each with an e.m.f. of 1.5 V and internal resistance of 2Ω are connected in (a) series (b) parallel. Find the current in each case when the cells are connected to 1Ω resistor.Choose Answer :
9.a) What is atmospheric pressure? b)If the pressure is 650mm of mercury, express this value in SI units.Choose Answer :
10.a) Sketch the electrical symbol for each of the following devices: (i)Ammeter (ii)Cell (iii)Switch (iv)Variable Resistor b) Sketch different diagrams and indicate the direction of the electric field formed by positive (+) and negative (-) charges in cases of: (i)Attraction (ii)RepulsionChoose Answer :
8.Two cells each with an e.m.f. of 1.5 V and internal resistance of 2Ω are connected in (a) series (b) parallel. Find the current in each case when the cells are connected to 1Ω resistor.
9.a) What is atmospheric pressure?
b)If the pressure is 650mm of mercury, express this value in SI units.
10.a) Sketch the electrical symbol for each of the following devices:
b) Sketch different diagrams and indicate the direction of the electric field formed by positive (+) and negative (-) charges in cases of:
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