Home Education Exams KCSE Physics Past Paper 1 2016: Best Free Study

KCSE Physics Past Paper 1 2016: Best Free Study

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If You are among the Candidates that will be writing Physics in the upcoming KCSE exams this year, review the past paper 1, it will go a long way in helping You. When You download the PDF of the 2016 KCSE Physics Past Paper 1, paper 2, and paper 3 as the case may be, start practicing It consistently, using the marking scheme when necessary, You will see good results.

The past Papers will prepare You for the upcoming 2020 KCSE exams, and We believe that past questions are really worth It in revising for KCSE examinations. There are no new questions, it’s just a repetition of already-set questions but in a different tricky form.

KCSE Physics Past Paper 1 2016

If You decide to buy the KCSE past revision Papers from us, the content of What You will receive for every order are as follows

  • Past Question
  • Marking Schemes
  • Predicted Questions

We will send the Past Papers PDF to your email for You to download and study. But If You download the free version on this page, certainly the marking schemes may be limited and obviously the KCSE prediction questions are not attached.

If at any point You experience difficulty in either downloading the paper 1, paper 2 or paper 3, feel free to drop a comment below and We’ll respond accordingly.

Kenya Certificate of Secondary Education Physics Past Paper 1 2016

KCSE Maths Paper 1 Questions and Answers 2016

SECTION A:

(25 marks) Answer all the questions in this section in the spaces provided 1.

State what mechanics as a branch of physics deals with. (1 mark)

2. Figure 1 shows a change in volume of water in a measuring cylinder when an irregular solid is immersed in it.

KCSE Physics Past Paper 1 2016 change in Volume of water

Given that the mass of the solid is 567 g, determine the density of the solid in g/cm3 (Give your answers correct to 2 decimal places). (3 marks)

3. When a drop of an organic acid of known volume is dropped on the surface of water in a large trough, it spreads to form a large circular patch, State one assumption made when the size of the molecule of the acid is estimated by determining the area of the patch. (I mark)

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4. Figure 2(a) and 2(b) show capillary tubes inserted in water and mercury respectively. Water

Figure 2 of Physics KCSE Questions

It is observed that in water the meniscus in the capillary tube is higher than the meniscus in the beaker, while in mercury the meniscus in the capillary tube is lower than the meniscus in the beaker. Explain these observations. (3 marks)

5. Figure 3 shows a hot water bath with metal rods inserted through one of its ends. Some candle wax is fixed at the end of each rod.

Use this information to answer questions 5(a) and 5(b).

Figure 3

(a) What property of metals could be tested using this set-up? (1 mark)

(b) Besides the length of the rods that is kept constant, what else should be kept constant when comparing the property for the different metal rods? (1 mark )

6. Figure 4 shows a uniform light bar resting horizontally on corks floating on water in two beakers A and B.

Uniform light bar

Explain why the bar tilts towards side A when equal amount of heat is supplied to each beaker (2 mark)

7. Figure 5 shows an aluminium tube tightly stuck in a steel tube.

KCSE Physics Past Paper 1 2016: Best Free Study 1

Explain how the two tubes can be separated by applying a temperature change at the junction given that aluminium expands more than steel for the same temperature rise. (2 marks)

8. (a) An aeroplane is moving horizontally through still air at a uniform speed.

It is observed that when the speed of the plane is increased, its height above the ground increases. State the reasons for this observation. (1 mark)

(b) Figure 6 shows parts A, B and C of a glass tube.

KCSE Physics Past Paper 1 2016: Best Free Study 2

State with a reason the part of the tube in which the pressure will be lowest when air is blown through the tube from A towards C. (2 marks)

9. The three springs shown in Figure 7 arc identical and have negligible weight. The extension produced on the system of springs is 20cm.

KCSE Physics Past Paper 1 2016: Best Free Study 3

Determine the spring constant of each spring. (2 marks)

10. Figure 8 shows two cylinders of different cross-sectional areas connected with a tube. The cylinders contain an incompressible fluid and are fitted with pistons of cross-sectional areas 4 cm2 and 24 cm2.

KCSE Physics Past Paper 1 2016: Best Free Study 4
Opposing forces P and Q are applied to the pistons such that the pistons do not move. If the pressure on the smaller piston is 5N/cm2, determine force Q. (2 marks)

11. Figure 9 shows a uniform cardboard in the shape of a parallelogram.

Locate the centre of gravity of the cardboard. (1 mark)

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12. State why it is easier to separate water into drops than to separate a solid into smaller pieces.

13. The graph in Figure 10 shows the velocity of a car in the first 8 seconds as it accelerates from rest along a straight line. >

KCSE Physics Past Paper 1 2016: Best Free Study 6

Determine the distance travelled 3.0 seconds after the start. (2 marks)

SECTION B:(55 marks) Answer all the questions in this section in the spaces provided.

14. (a) Explain why it is advisable to use a pressure cooker for cooking at high altitudes. (2 marks)

(b) Water of mass 3.0 Kg at 20°C is heated in an electric kettle rated 3.0KW. The water is heated until it boils at 100°C.

Given that the specific heat capacity of water = 4200J Kg-1 K-‘, heat capacity of the kettle = 450.1K-1, specific latent heat of vaporisation of water = 2.3 M.T Kg-1.

Determine:

(i) the heat absorbed by the water. (3 marks)

(ii) heat absorbed by the electric kettle. (2 marks)

(iii) the time taken for the water to boil. (3 marks)

(iv) how much longer it will take to boil away all the water. (3 marks)

15. (a) State the meaning of the term ideal gas. (1 mark)

(b) The pressure acting on a gas in a cylinder was changed steadily while the temperature of the gas was maintained constant. The value of volume V of the gas was measured for various values of pressure. The graph in Figure 11 shows the relation between the pressure P, and the reciprocal of volume, Vv.

KCSE Physics Past Paper 1 2016: Best Free Study 7

(i) Suggest how the temperature of the gas could be kept constant. (2 marks)

(ii) Given that the relation between the pressure P1 and the volume, V1 of the gas is given by Pv = K, where K is a constant, use the graph to determine the value of K. (4 marks)

(iii) What physical quantity does K represent? (1 mark)

(iv) State one precaution you would take when performing such an experiment. (1 mark)

(c) A gas occupies a volume of 4000 litres at a temperature of 37°C and normal atmospheric pressure. Determine the new volume of the gas if it is heated at constant pressure to a temperature of 67°C (Normal atmospheric pressure, P = 1.01 X 105 Pa). (4 marks)

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16. (a) Define the term velocity ratio of a machine. (1 mark)

(b) Figure 12 shows part of a hydraulic press. The Plunger is the piston where effort is applied while the Ram piston is the position where the load is applied. The Plunger has cross-section area a m2 while the Ram piston has cross-section, A m2.

KCSE Physics Past Paper 1 2016: Best Free Study 8

When the Plunger moves down a distance d the Ram piston moves up a distance D. Derive an expression for the Velocity Ratio (V.R.) in terms of A and a. (4 marks)

(c) A machine of velocity ratio 45 overcomes a load of 4.5 X 103N when an effort of 135N is applied. Determine:

(i) the mechanical advantage (M.A) of the machine; (2 marks)

(ii) efficiency of the machine; (2 marks)

(iii) the percentage of the work that goes to waste. (1 mark)

17. (a) When a bus goes round a bend on a flat road, it experiences a centripetal force. State what provides the centripetal force. (1 mark)

(b) State the purpose of banking roads at bends. (2 marks)

(i) Determine the slope, s, of the graph. (2 marks)

(ii) Given that U-2 = 20 kd, where k is constant for the bench surface, determine the value of k from the graph. (2 marks)

(c) A car of mass 800Kg starts from rest and accelerates at 1.2 ms-2.

Determine its momentum after it has moved 400 m from the starting point. (3 marks)

KCSE Physics Past Paper 1 2016 Marking Scheme

PHY Questions and Answers

2016 Physics paper 1

KCSE Physics Past Paper 1 2016 marking scheme
 Physics questions and answers  2016
KCSE Physics Answers
KCSE Physics Past Paper 1 2016: Best Free Study 9
KCSE Physics Past Paper 1 2016: Best Free Study 10
Physics Marking scheme for figure 5
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KCSE Physics Past Paper 1 2016: Best Free Study 21
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If You want the marking schemes, send Us an email at: [email protected] indicating your the subject and your name and We will guide You on How to get the documents.

KCSE Physics Paper 2

->> Click Here to download Physics Paper 2 PDF

KCSE Physics Paper 3

->> The Physics Paper 3 was not given

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