THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATION COUNCIL

 PHYSICS FTNA 2011

Whenever necessary use thefollowing constants:

Density of water = lg/cm³ or 1000kg/m³

Acceleration due to gravity: g = 10m/s²

Density of mercury = 13.6g/cm³ or 136000kg/m³

SECTION A

1. Write the letter of the correct answer in the box provided.

 (i) The following are fundamental quantities in mechanics except:

1. .length
2. .mass
3. .time
4. .weight

(ii) Which of the following groups represent forces?

1.  Acceleration, energy and light 
2.  Energy, heat and upthrust
3.  Friction, gravity and upthrust 
4.  Gravity, light and velocity

(iii)Sustainable energy sources are:

1.  biogas, kinetic energy and petrol
2. biogas, tidal energy and water energy
3. firewood, petrol and tidal energy
4. kerosene, nuclear energy and water energy

(iv)The best test for a magnetized material is:

1.   attraction
2. friction
3. heating
4. .repulsion

(v)The type of light beam produced by the sun is:

1.  converging
2.  diverging
3.  parallel
4.  radial

 (vi) What makes the last drop of tap water remain hanging for sometime at the outlet of the tap soon after closing the tap?

1.  Capillarity 
2.  Osmosis
3.  Surface tension 
4.  Viscosity

 (vii)A vernier caliper reads 6.23cm. The reading in millimeters on the vernier scale is:

1.  0.03 
2.  0.3 
3. . 2.3 
4. . 6.2

(viii)A clinical thermometer differs from other thermometers because it:

1.  can be used to measure the temperature of ice 
2.  can be used to measure the temperature of melting iron 
3.  .has a constriction
4. .is very small

(ix)A potential difference of 12V is applied across a resister of 1200, The current in circuit is:

1.  0.1A 
2.  10A 
3.  132A 
4.  440A

(x)A plane mirror always forms:

1. inverted virtual image
2. magnified lateral image
3. real lateral image
4. virtual lateral image

(xi)The volume of a piece of metal with a mass of 150g and density of 0.03g/cm³ is:

1.  5 x 10-3 cm ³
2.  5 x 10 ¹ cm ³
3.  5 x 10 ² cm ³
4.  5 x 10 ³ cm³

(xii)A liquid at 100 ⁰ C is as hot as:

1.  200 ⁰F 
2.  212 ⁰ F 
3.  219 ⁰F 
4.  2600F

(xiii)Work and energy have the same SI unit called:

1.  calorie
2.  joule
3.  pascal 
4.  watt

(xiv)When charging bodies by friction, the particles which are transferred are:

1. electrons
2. neutrons
3. neutrons and protons
4. protons and electrons

(xv) First Aid is an immediate assistance or care given to a sick person or an accident victim before getting:

1. help from nearby people
2. professional medical help
3. relatives and friends assistance 
4. traditional medical care

(xvi)The area under the velocity-time graph represents:

1. acceleration 
2. distance covered 
3. speed 
4. velocity

(xvii)A machine has a velocity ratio of 15. If an effort of ION is applied to lift a load of 50N, its efficiency is approximately equal to:

1. 20%
2. 33%
3. 50%
4. 75%

(xviii)When reading the volume of water in a burette, one needs to look at the:

1. highest point of the meniscus
2. lowest point of the meniscus
3. mid point of the highest meniscus 
4. mid point of the lowest meniscus

(xix)The property of a material to recover its original shape and size on removal of a stretching force is called:

1.  compression 
2.  elasticity
3.  elastic limit 
4.  plasticity

(xx)When buying sugar from a shop you pay for its:

1. density 
2.  mass
3.  volume 
4.  weight