SENIOR TWO PHYSICS HOLIDAY WORK REVISION PAPER TWO
Quiz
Mechanical energy is
Chemical energy +kinetic energy.
Potential energy + kinetic energy.
Potential energy + electrical energy.
Kinetic energy + heat energy.
Which of the following is not a fundamental measurement in physics?
Time
Length
Weight
Mass
What instrument is not used to measure the mass of a body?
Beam balance
Lever balance
Top pan balance
Spring balance
Find the volume of 10kg of glass in m3 (Density of glass = 2500kg m-3)
4 x 10-4
4 x 10-3
2.5 x 102
2.5 x 10-2
The density of petro is 0.72 g/cm3. Express this in S.I units.
0.00072kgm-3
7.2kg/m3
720 kg/m3
7200 kg/m3.
What unit means one thousand of a gram?
Milligram
Decigram
Centigram
Kilogram
The main energy change when a tungsten filament bulb is switched on is;
Light to electricity.
Electricity to sound.
Electricity to heat and light
Electricity to light only.
Density is the ratio of
Mass/Density
Volume/Density
Volume/Mass
Mass/Volume
The relative density bottle gives an accurate value of the relative density of a liquid because
the weight of the bottle is constant.
the bottle holds the same volume of liquid.
the bottle need not be weighed.
the volume of the bottle depends on the liquid it holds.
A liquid has a density of 8.2g/cm3. What is its relative density? (Density of water = 1g/cm3)
8.2g/cm3
0.82g/cm3
0.82g/cm3
8.2g/cm3
A stone displaced 20cm3 of water in a measuring cylinder. The volume of the stone is;
40cm3
30cm3
20cm3
10cm3
A body has a mass of 1600kg and its density is 800kg/m3. Find its volume in cubic metres.
1600kg/m3
800m3
2kg/m3
2m3
What measure in centimetres is 0.01m
1cm
10cm
100cm
1000cm
Which of the following is used to measure long distances?
thread
ruler
tape measure
rod
A rectangular block of metal 0.3m by 0.1m by 0.5m weighs 0.03kg. Calculate its density in kg/m3
0.002
0.2
2
200
Which of the following statements about states of matter is true? i. A vapour has no definite volume and shape. ii. A liquid has a definite volume but no definite shape. iii. A solid has a definite volume and shape. iv. A gas has a definite volume and shape.
i. ii and iv only
i. ii and iii only
i and iv only
ii and iv only
Capillary rise in a tube dipped in water is due to;
High vapour pressure
High tension
Adhesive force being greater than cohesive force.
Cohesive force being greater than adhesive force.
A blue copper sulphate crystal placed at the bottom of a beaker containing water is found to spread throughout the water after some time due to
Osmosis
Diffusion
Surface tension
Capillarity
A needle may float on a clean water surface but sinks when some detergent or soap is added to water because the detergent.
reduces the density of water.
Lowers the surface tension of water.
Makes the surface slippery.
Increases adhesive force between the needle and water molecules.
Which of these affect the surface tension of a liquid?
Density of the liquid
Temperature
Container
Volume of the liquid.
A towel dries a wet body due to
Cohesion
Osmosis
Surface tension
Capillarity
The surface tension of liquid is due to
Diffusion on its surface
Cohesion between molecules.
The Brownian motion of its surface molecules.
The Kinetic energy of the surface molecules.
The best classification of the materials copper, iron, glass and silver is that they are all
Metals
Non – metals
Solids
Hard to break when hammered.
In liquids and gasses, the spread of molecules due to their constant rapid motion is called?