LEARNING HUB TANZANIA
PHYSICS EXAMINATION FORM ONE
ANNUAL EXAMINATIONS.
NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS
INSTRUCTIONS:-
INSTRUCTIONS
- Answer all questions in section A and B and TWO questions in section C.
(ii) A piece of silver has a volume of 300cm3 and density of 10.5g/cm3. Calculate its
mass;
(iii) Two types of Mechanical Energy are;
(iv) The ratio of density of substance to the density of water is;
(v) Which of the following is not a form of energy?
(vi) The normal human body temperature is 98.6°F.
(vii) The law of floatation states that;
(viii) The Atmospheric pressure at sea level is 76cm Hg or about;
(ix) The pressure due to a water column of depth 20m, of density 100kg/m3 is;
(x) The atmospheric pressure at Mount Kilimanjaro is;
LIST A | LIST B |
(i) pascals principle (laws) (ii) Pressure in liquids (iii) Measure relative density of liquid. (iv) A spring balance (v) Force pump, suction pump lift pump bicycle pump, syringe. |
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SECTION B:60 marks
(i) ………………………….. is the weight of a body when it is immersed in a fluid.
(ii) …………………………… is the descent or decline of an object to the lower levels in a liquid.
(iii) Submarines, hot air balloons, ships hydrometers are the applications of the Archimedes principle and law of ………………………..
(iv) When a body is immersed in a fluid the upwards push that the fluid exerts on the body ………………………….. or buoyance.
(v) Mathematically force can be defines as …………………. times …………………
(vi) The two types of barometers are …………………….. and ……………………….
(vii) Nails, sports shoes, razor blades, knives, high healed shoes and a bucket with thin handle have a small contact area causing …………………… pressure.
(viii) Pressure below the surface of Lake Victoria increases with ………………………..
(ix) Matter is anything ………………………………………………………………
(x) Relative density of a substance is the ratio density ………………………………(10 marks)
(b) Calculate the work done by a force of 50N acting on a body through a distance (displacement) of 10 m. (10 marks)
(b) A piece of silver metal has a mass 4kg and a density of 10.5g/cm3. Find its volume;
(10 marks)
(i) Mass ……………………………………………………………………………………………………………………………………………………………………………………..
(ii) Weight …………………………………………………………………………………………………………………………………………………………………………………….
(b) Calculate the weight of an Astronout whose mass is 60 kg on the surface of the moon
if the gravitational acceleration of the moon g = 2m/sec2. (10 marks)
(i) Power ………………………………………………………………………………………………………………………………………………………………………………
(ii) Energy and state their SI units ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) An electric heater used 450,000J of energy in 5 minutes. Calculate its power;
(10 marks)
Calculate;
(i) The force at the large piston
(ii) The pressure at both pistons (10 marks)
SECTION C 25 marks
9. (a) What is a force?
(b) Mention and shortly describe the 5 types of force.
(c) Write the SI of unit of Force?
(d) What is the weight of the body of the moon whose mass is 20kg?
10. (a) State the Archimedes’ principle.
(b) What is the apparent weight?
(c) What is apparent loss?
(d) What is the weight in air?
(e) State the low of floatation.
11. (a) When a body of density 0.5kg/m3 is immersed in water, it displaces the volume of 0.2m3.
Find the apparent loss in weight if the weight of a body inside the water is measured 0.8N.
(b) What is Upthrust?
(c) (i) Differentiate between weight in air and upthrust.
(ii) Compare between weight in air and upthrust.
LEARNINGHUBTZ.CO.TZ Page 1
LEARNINGHUBTZ.CO.TZFORM ONE PHYSICS MODAL SERIES 14
LEARNING HUB TANZANIA
PHYSICS EXAMINATION FORM ONE
ANNUAL EXAMINATIONS.
NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS
INSTRUCTIONS:-
INSTRUCTIONS
- Answer all questions in section A and B and TWO questions in section C.
(ii) A piece of silver has a volume of 300cm3 and density of 10.5g/cm3. Calculate its
mass;
(iii) Two types of Mechanical Energy are;
(iv) The ratio of density of substance to the density of water is;
(v) Which of the following is not a form of energy?
(vi) The normal human body temperature is 98.6°F.
(vii) The law of floatation states that;
(viii) The Atmospheric pressure at sea level is 76cm Hg or about;
(ix) The pressure due to a water column of depth 20m, of density 100kg/m3 is;
(x) The atmospheric pressure at Mount Kilimanjaro is;
LIST A | LIST B |
(i) pascals principle (laws) (ii) Pressure in liquids (iii) Measure relative density of liquid. (iv) A spring balance (v) Force pump, suction pump lift pump bicycle pump, syringe. |
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SECTION B:60 marks
(i) ………………………….. is the weight of a body when it is immersed in a fluid.
(ii) …………………………… is the descent or decline of an object to the lower levels in a liquid.
(iii) Submarines, hot air balloons, ships hydrometers are the applications of the Archimedes principle and law of ………………………..
(iv) When a body is immersed in a fluid the upwards push that the fluid exerts on the body ………………………….. or buoyance.
(v) Mathematically force can be defines as …………………. times …………………
(vi) The two types of barometers are …………………….. and ……………………….
(vii) Nails, sports shoes, razor blades, knives, high healed shoes and a bucket with thin handle have a small contact area causing …………………… pressure.
(viii) Pressure below the surface of Lake Victoria increases with ………………………..
(ix) Matter is anything ………………………………………………………………
(x) Relative density of a substance is the ratio density ………………………………(10 marks)
(b) Calculate the work done by a force of 50N acting on a body through a distance (displacement) of 10 m. (10 marks)
(b) A piece of silver metal has a mass 4kg and a density of 10.5g/cm3. Find its volume;
(10 marks)
(i) Mass ……………………………………………………………………………………………………………………………………………………………………………………..
(ii) Weight …………………………………………………………………………………………………………………………………………………………………………………….
(b) Calculate the weight of an Astronout whose mass is 60 kg on the surface of the moon
if the gravitational acceleration of the moon g = 2m/sec2. (10 marks)
(i) Power ………………………………………………………………………………………………………………………………………………………………………………
(ii) Energy and state their SI units ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) An electric heater used 450,000J of energy in 5 minutes. Calculate its power;
(10 marks)
Calculate;
(i) The force at the large piston
(ii) The pressure at both pistons (10 marks)
SECTION C 25 marks
9. (a) What is a force?
(b) Mention and shortly describe the 5 types of force.
(c) Write the SI of unit of Force?
(d) What is the weight of the body of the moon whose mass is 20kg?
10. (a) State the Archimedes’ principle.
(b) What is the apparent weight?
(c) What is apparent loss?
(d) What is the weight in air?
(e) State the low of floatation.
11. (a) When a body of density 0.5kg/m3 is immersed in water, it displaces the volume of 0.2m3.
Find the apparent loss in weight if the weight of a body inside the water is measured 0.8N.
(b) What is Upthrust?
(c) (i) Differentiate between weight in air and upthrust.
(ii) Compare between weight in air and upthrust.
LEARNINGHUBTZ.CO.TZ Page 1
LEARNINGHUBTZ.CO.TZFORM ONE PHYSICS MODAL SERIES 13
LEARNING HUB TANZANIA
PHYSICS EXAMINATION FORM ONE
ANNUAL EXAMINATIONS.
NAME………………………………………..CLASS……………………………………………….TIME: 2:30HRS
INSTRUCTIONS:-
- This paper consists of sections A, B and C
- Answer all questions
- All answers must be clearly, neatly and systematically written
- The following constants may be used: Acceleration due to gravity g = 10m/s2, or 10N/Kg
SECTION A.
(i) Pressure in liquids depends on
(ii) An image that is formed in a plane mirror is always
(iii) A stone of mass 500g is lifted through a height of 2meter, the potential energy gained by the stone is ……….. (use g = 10N/kg)
(iv) A force of 25N is used to move an object through a distance of 1.5m in one minute. The power dissipated by force is
(v) A body of mass 150kg moving with a velocity of 2m/sec. possesses kinetic energy equal to
(vi) Liquid A has a density of 1.03g/cm3 and liquid B has a density of 0.97g/cm3 a hydrometer sinks
(vii) The pressure or air inside a car tyre increases if the car stands for sometime in full sunlight. According to kinetic theory this is due to an increase inside the tyre of
(viii) A stone of mass 5kg is pulled to a height of 2cm above the ground. The work done against the pull of gravity is
(ix) A relative density bottle has a mass of 18.50g when empty 54.50g when filled with water and 38.30g when filled with a second liquid. The density of second liquid is
(x) According to the scientific definition of work, pushing on rock accomplishes no work unless there is
(xi) The force of friction between layers of a liquid is called
(xii) Which of the following devices work by the help of atmospheric pressure
(xiii) The density of a block with dimensions 0.24m x 0.08m x 0.20m and a mass of 2.4kg is
(xiv) Which of the alternatives below comprises only of elastic type of force?
(xv) Fluid particles are said to be in a random vigorous motion which has a lot of collisions this motion is referred to as
(xvi) The ability of a material to be deformed under a stress and regain its original shape when the stress is over is
(xvii) What name refers to the movement of water molecules from their region of high concentration through a semi permiable membrane?
(xviii) Which of the following units is commonly used in a manometer?
(xix) The difference between pressure in solids and liquids in that
(xx) What is your understanding of the term “hypothesis”?
List A.
(i) Temperature
(ii) Beam balance
(iii) Micrometer screw gauge
(iv) Kgm/sec2
(v) Chemical energy
(vi) Plastic deformation
(vii) Blotting paper
(viii) Hooke’s law
(ix) Surface tension
(x) Law of flotation
List B.
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SECTION B.
Answer question 3 – 7 by filling the correct answers in the space provide
(i) ___________________________________
(ii) ___________________________________
(iii) ___________________________________
(b) Explain the following observations:
(i) A nail made of iron sinks into water while a ship made of iron and steel floats
___________________________________________________________________
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(ii) an object’s weight on earth is greater than the object’s weight on the moon _______________________________________________________________________________________________________________________________________________________________________________________________________________
(i) Physical quantity ____________________________________________________________________________________________________________________________________
(ii) Fundamental quantity ____________________________________________________________________________________________________________________________________
(iii) Derived quantity ____________________________________________________________________________________________________________________________________
(b) (i) A form one boy has a weight of 500N on a spring balance. What is his mass on a
beam balance? (take g = 10N/kg)
(ii) Explain why the weight of an astronaut of mass 65kg is 650N on earth but it change to 130N on the moon while the mass remains at 65kg __________________________________________________________________________________________________________________________________________
(i) The Archimedes principle ____________________________________________________________________________________________________________________________________
(ii) The law of flotation ____________________________________________________________________________________________________________________________________
(b) Define:
(i) surface tension ________________________________________________________________________________________________________________________________________________
(ii) Diffusion ________________________________________________________________________________________________________________________________________________
(iii) Cohesion ____________________________________________________________________________________________________________________________________
(ii) Define density of a substance and state its SI unit __________________________________________________________________________________________________________________________________________
(i) Find the mass of 100cm3 of wood with the density of 0.9g/cm3 ______________________________________________________________________________________________________________________________
(b) (i) density of mercury is 13.6g/cm3 find the volume of 408g of mercury __________________________________________________________________________________________________________________________________________
(ii) distinguish between density and relative density and state SI unit of relative density __________________________________________________________________________________________________________________________________________
(ii) what is meant by the viscosity of liquid? ________________________________________________________________________________________________________________________________________________
(b) (i) Pressure is defined as ________________________________________________________________________________________________________________________________________________
(ii) Proof that pressure P = hdg ________________________________________________________________________
(iii) a car of mass 1000kg is travelling at a velocity of 15m/sec. what is its kinetic energy? ________________________________________________________________________________________________________________________________________________
SECTION C.
Answer all questions from this section
(i) Force
(ii) Energy
(iii) Work
(iv) Power
(b) A lorry has a mass of 1000kg moving at a velocity of 20m/sec. knocks a wall.
Calculate the energy transferred to the wall
(c) A body of mass 42 lifts his body up a distance of 25cm in 2sec. what is his bicepts
power? (g = 10N/kg)
(ii) State Pascal’s principles
(iii) The pistons of a hydraulic press have their areas given as 3.0 x 10-4m2 and 2.0 x 10-2m2 respectively. If the smaller piston pushed down with a force of 120N. What is the force required to push the larger piston?
(b) A rectangular tank measures 5m by 3m at its base. It contains water to a height of 3m. Calculate the pressure on the base of the tank given that the density of water is 1000kg/m3 and g = 10N/kg.
LEARNINGHUBTZ.CO.TZ Page 1
LEARNINGHUBTZ.CO.TZFORM ONE PHYSICS MODAL SERIES 6
LEARNING HUB TANZANIA
PHYSICS EXAMINATION FORM ONE
MODEL EXAMINATIONS.
NAME………………………………………..CLASS……………………………………….TIME: 2:30HRS
INSTRUCTIONS
- Whenever necessary use the following constants;
(i) Acceleration due to gravity, g = 10m/s2
(ii) Density of water = 1g/cm or 1000kg/m3
- All answers must be written in the answer sheets provided. NOT IN THE QUESTIONS PAPER.
SECTION A:
(i) The study of matter in relation to energy is called;
(ii) The force which cause tear and wear between machine parts is known as;
(iii) As one goes far away from the earth, the density of air;
(iv) Ferry boat floats in sea water because its density is;
(v) Study figure below;
How far from the pivot must the 150g mass be placed for the system to be in
equilibrium?
(vi) A patient who is to get an injection when a nurse applies a small force to push a needle feels much pain on his skin due to;
(vii) The suspended magnetic needle always comes to rest with its axis in a vertical plane called;
(viii) As the angle between two plane mirrors increases, the number of images formed;
(ix) Which of the following materials do not allow light to pass through?
(x) To view distant objects which are out of direct vision we normally use;
(xi) The process by which water soaks through the cell of rice and beans is called;
SECTION B: 70 Marks
LIST A | LIST B |
(i) Measures the net change in position. (ii) Rate of change of distance (iii) Rate of change of velocity. (iv) Motion under the effects of gravity. (v) Measures the rate at which position changes. |
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SECTION B 60 Marks
(i) The product of mass and velocity of a body is called ………………………………
(ii) Claw hammer and pair of scissors are in which class of lever? ……………………
(iii) Weight has the same SI unit as …………………………………………..
(iv) An instrument used to measure pressure of a gas is known as …………………..
(v) The tendency of a liquid to rise in narrow tubes is called. …………………… (10 marks)
(i) Fundamental quantities.
(ii) Derived quantities
(b) Figure below shows graduated cylinder containing water before and after a store is
immersed,
If the mass of the stone is 50g, calculate the;
(i) Volume of the stone
(ii) Density of the stone
(ii) Give reasons why the sky appears blue during a clear sunny day.
(b) Draw the diagram of each of the following;
(i) Parallel rays of light
(ii) Divergent rays of light
(iii) Convergent rays of light.
(i) Work (ii) Energy
(b) A man lifts a load of 20 kg through a height of 4m in 10 seconds. Calculate the;
(i) Work done (ii) Power developed the man (10marks)
(ii) A uniform half metre rule is freely pivoted at the 20cm mark and it balances
horizontally when a body of mass 30g is hung at 5cm mark from one end.
Calculate the mass of the rule.
(b) (i) What is meant by equilibrium?
(ii) List three applications of equilibrium in daily life. (10marks)
(i) Inertia (b) Impulse
(b) (i) Give two examples where impulse and momentum play an important role.
(ii) A tennis ball of mass 120g moving at a speed of 10m/s was brought to rest by one
player in 0.02 seconds. Calculate the average force applied by the player. (10marks)
SECTION C 25 MARKS
(ii) List four factors that affect the resistance of a conductor.
(b) Study the circuit diagram in figure below then answer the questions that follow;
If the current flowing in 5resistor is 2A; Calculate the;
(i) Current flowing in 10 resistor
(ii) Potential difference (p.d) across the 20 resistor.
(ii) Why are dams constructed thicker at the bottom that at the top?
(b) (i) List three applications of hydraulic press.
(ii) A hydraulic brake has a force of 1000N applied to a piston whose area is 50cm2.
Calculate the pressure transmitted throughout the liquid.
LEARNINGHUBTZ.CO.TZ Page 1
LEARNINGHUBTZ.CO.TZFORM ONE PHYSICS MODAL SERIES 5