FORM TWO PHYSICS NECTA MULTIPLE CHOICE 2004

THE UNITED REPUBLIC OF TANZANIA MINISTRY OF EDUCATION AND VOCATIONAL TRAINING

FORM TWO SECONDARY EDUCATION EXAMINATION, 2004

0031 PHYSICS 

Time: 2 Hours 

Instructions

1.This paper consists of sections A, B and C.

2.Answer ALL questions

3.Question in section C should be answered on separate sheets of paper provided. In your calculations you are required to show clearly all the steps of your work in a systematic manner.

4.Whenever necessary use the following constants.

  • Density of water = 1 g/cm3
  • Acceleration due to gravity = 10 m/s2
  • S.T.P. means T = 273 K, P = 760 mmHg
  • Density of Mercury = 13.6 g/cm3 = 13600 kg/m3 
  • Specific Heat Capacity of water is 4200 J/kg K.

SECTION A

Answer ALL questions in this Section by writing the letter of the correct answer beside the question number in your answer book.

1. (i) The branch of science in which the relationship between matter and energy is studied is called:

  1. Chemistry 
  2. Biology
  3. Physics 
  4. Agriculture Science
Choose Answer :

(ii) Measurement in Physics is:

  1. Calculation
  2. Beam balance
  3. Spring balance
  4. The processes of assigning numbers to observations and events.
Choose Answer :

(iii)A mass of 1 kilogram is pushed by the gravitation force towards the centre of the earth by a force of:

  1. 1 Newton 
  2. 10 Newtons
  3. 100 Newtons 
  4. 1000 Newtons
Choose Answer :

(iv) The velocity-time graph has a slope which represents:

  1. Displacement 
  2. Acceleration
  3. Velocity
  4. Spéed
Choose Answer :

(v)The molecules of water and those of glass will attract each other by a force known as:

  1. Adhesion
  2. Cohesion
  3. Viscosity
  4. Osmotic pressure
Choose Answer :

(vi) If Maganga wants to establish a temperature scale then he should know the following:

  1. Fixed point fundamental interval, an equation relating physical quantity and temperature change.
  2. Thermometer, ice point and steam point.
  3. Water, ice point mercury.
  4. Fundamental interval and thermometer.
Choose Answer :

(vii) Work and energy have the same SI unit of:

  1. Calorie 
  2. Joule 
  3. Watt 
  4. Pascal
Choose Answer :

(viii)The temperature of a body is defined as:

  1. The degree of hotness
  2. The degree of coldness
  3. The degree of hotness and coldness
  4. The degree of hotness or coldness
Choose Answer :

(ix)Heat energy is transferred from the sun to the earth by the process of:

  1. Convection
  2. Radiation
  3. Conduction 
  4. None of the above
Choose Answer :

(x)A metal rod has a length of 40cm on a day when the temperature of the room is 22.3 0 C. What will its length be on a day when the temperature of the room is 300C and the linear expansivity of the metal is 0.000017 0 C-1?

  1. 40.021 cm 
  2. 40.0052 cm
  3. 0.0052 cm 
  4. 39.9948 cm
Choose Answer :

(xi)A substance of mass 2 kg is supplied with heat of 4800 J, and causes its temperature to rise by 4K. The specific heat capacity of the substance is:

  1. 0.6 J/kg K 
  2. 600 J/kg K
  3. 38.4 J/kgK 
  4. 2400 J/kgK
Choose Answer :

(xii)A wheelbarrow is an example of:

  1. First class lever
  2. Third class lever
  3. Complex machine
  4. Second class lever
Choose Answer :

(xiii)A block and tackle system has six pulleys. What is the velocity ration of this system?

  1. 12
  2. 3
  3. 6
  4. 8
Choose Answer :

(xiv) An instrument which is used to observe objects around obstacles is called:

  1. Plane glass 
  2. Telescope
  3. Periscope 
  4. Microscope
Choose Answer :

(xv)When charging a body by rubbing with either fur or silk the particles which are transferred are: 

  1. Protons and electrons
  2. Protons
  3. Electrons
  4. Nuclei
Choose Answer :

(xvi) Current electricity can be measured in:

  1. Ohms
  2. Coulomb
  3. Volt 
  4. Milliampere
Choose Answer :

(xvii) Two resistors each having a resistance of 3 ohms are connected in parallel; the resulting effective resistance is:

  1. 1.5 ohms 
  2. 2.0 ohms
  3. 4.0 ohms 
  4. 2.5 ohms
Choose Answer :

(xviii)The process whereby materials recover their original length after removing the loads is known as:

  1. Plasticity
  2. Deformicity
  3. Elastic limit 
  4. Elasticity
Choose Answer :

(xix)A piece of metal of volume 10 has a mass of 65.5 kg. The density of metal is:

  1. 65.5 kg/m 
  2. 6.55 kg/m3
  3. 655 kg/m 
  4. 0.655 kg/m3
Choose Answer :

(xx) A ray of light is incident normally on a plane mirror. The angle of reflection will be:

  1. 45  
  2. 90  
  3. 00
  4. None of the above.
Choose Answer :

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