FORM TWO PHYSICS NECTA MULTIPLE CHOICE 2005

(i) Physics is:

1. The study of science
2. The relation of matter
3. The study of matter in relation to energy
4.  None of the above

The SI unit of length is:

1. Ammeter
2.  Galvanometer
3. Micrometer screw gauge
4. metre

(iii) umbra refers to;

3. mid night
4. moon

(iv)        The pressure in liquid depends on:

1.   Weight and energy
2. Liquid and container
3.  Depth and density of liquid
4.  Volume and height

(v)          When a narrow glass tube is dipped into mercury:

1.  The adhesion of molecules of mercury is stronger than the cohesion of molecules of mercury.
2. The meniscus of mercury in a glass vessel curves upwards.
3. Mercury experiences a downward force equal to its weight.
4. The level of mercury in the tube drops below that of the surrounding.

(vi)Physics is applied in many fields such as:

1.  Medicine and Engineering
2. Matter and examinations
3. Air and books
4. None of the above

(vii)         The quantity of energy possessed by a body which causes the  vibrations of its molecules is:

1. Temperature
2.  Energy
3. Heat
4.  Current

(viii)       The temperature of Dodoma town was 400C. This is equivalent to:

1. 313 Kelvin
2. 160 Kelvin
3. 240 Kelvin
4.  120 Kelvin

(ix)          An ammeter is an instrument for measuring:

1. Length
2. Resistance
3.  Capacitance
4.  Current

Relates temperature and pressure at constant volume:

1. Boyles law
2.  Pressure law
3. Charles law
4.  Gas law

(xi)          A piece of metal of volume 0.24cm3 and mass 0.72 has a relative density (R.D.) of:

1.  3.0g/cm3
2.  3.0 C.
3. 3.0kgm3
4. 0.3

(xii)         The presence ofpositive and negative charge in a body can be detected by using:

1.   Voltmeter
2.  Electroscope
3.  Hydrometer
4. Compass

(xiii)       A body which sinks in water has its density:

1.   Less than that of water
2.  Larger than that of water
3. Equal to that of water
4.   Less or equal to that of water

(xiv)       A ball and ring experiment is used to verify the knowledge of:

1. Expansion of substance
2. Elasticity of substance
3.  Conductivity of substance
4.  Evaporation of substance

(w) A vernier scale reads 0.2mm when closed and 5.7mm when used to measure the diameter of a cylindrical body. What is the true diameter of the cylindrical body?

1. 0.2mm B
2.  5.9mm
3. 5.5mm
4.  5.7mm

(xvi) The mechanical advantage of a machine is 4. Find the effort needed to operate a machine of the load 1000N.

1.  40N
2.  2800N
3.  250N
4.  1999N

(Wii) Food in a refrigerator is cooled by:

1.  Osmosis
2. Diffusion
3. Evaporation
4.  Transpiration

(xviii)    A black cloth is the material which is:

1.   Transparent
2.  Opaque
3.  Translucent
4.   Dark

(xix)       The velocity ratio of a system of 3 pulleys is:

1. 0.5
2. 3
3. 6
4. 1