SENIOR ONE PHYSICS QUIZ

Mechanical energy is
1. chemical energy + kinetic energy.
2. Potential energy + kinetic energy.
3. Potential energy + electrical energy.
4. Kinetic energy + heat energy.
Which of the following is not a fundamental measurement in physics?
1. Time
2. length
3. weight
4. mass
What instrument is not used to measure the mass of a body?
1. beam balance
2. Lever balance
3. top pan balance
4. spring balance
Find the volume of 10kg of glass in m3 (Density of glass = 2500kg m^-3)
1. 4 x 10^-4
2. 4 x 10^-3
3. 2.5 x 10²
4. 2.5 x 10^-2
The density of petro is 0.72 g/cm³. Express this in S.I units.
1. 0.00072kgm^-3
2. 7.2kg/m³
3. 720 kg/m³
4. 7200 kg/m³.
What unit means one thousand of a gram?
1. milligram
2. decigram
3. centigram
4. kilogram
The main energy change when a tungsten filament bulb is switched on is;
1. light to electricity.
2. Electricity to sound.
3. Electricity to heat and light
4. Electricity to light only.
Density is the ratio of
1. mass/density
2. volume/density
3. volume/mass
4. mass/volume
The relative density bottle gives an accurate value of the relative density of a liquid because
1. the weight of the bottle is constant.
2. The bottle holds the same volume of liquid.
3. The bottle need not be weighed.
4. The volume of the bottle depends on the liquid it holds.
A liquid has a density of 8.2g/m³. What is its relative density?
(Density of water = 1g/cm³)
1. 8.2g/cm³
2. 0.82g/cm³
3. 0.82
4. 8.2
A stone displaced 20cm³ of water in a measuring cylinder. The volume of the stone is;
1. 40cm³
2. B. 30cm³
3. 20cm³
4. 10cm³
A body has a mass of 1600k and its density is 800kg/m³. Find its volume in cubic metres.
1. 1600kg/m³
2. 800m³
3. 2kg/m³
4. 2m³.
What measure in centimetres is 0.01m
1. 1cm
2. 10cm
3. 100cm
4. 1000cm
Which of the following is used to measure long distances?
1. thread
2. ruler
3. tape measure
4. rod
A rectangular block of metal 0.3m by 0.1m by 0.5m weighs 0.03kg. Calculate its density in kg/m³.
1. 0.002
2. 0.2
3. 2
4. 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.
1. i. ii and iv only
2. i. ii and iii only
3. i and iv only
4. ii and iv only
Capillary rise in a tube dipped in water is due to;
1. High vapour pressure
2. High tension
3. Adhesive force being greater than cohesive force.
4. 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
1. osmosis
2. diffusion
3. surface tension
4. capillarity
A needle may float on a clean water surface but sinks when some detergent or soap is added to water because the detergent.
1. reduces the density of water.
2. Lowers the surface tension of water.
3. Makes the surface slippery.
4. Increases adhesive force between the needle and water molecules.
Which of these affect the surface tension of a liquid?
1. Density of the liquid
2. Temperature
3. Container
4. Volume of the liquid
A towel dries a wet body due to
1. cohesion
2. osmosis
3. surface tension
4. capillarity
The surface tension of liquid is due to
1. diffusion on its surface
2. cohesion between molecules.
3. The Brownian motion of its surface molecules.
4. The Kinetic energy of the surface molecules.
The best classification of the materials copper, iron, glass and silver is that they are all
1. metals
2. Non – metals
3. solids
4. hard to break when hammered.
In liquids and gasses, the spread of molecules due to their constant rapid motion is called?
1. Diffusion
2. random motion
3. Brownian motion
4. Evaporation
The unit of energy is
1. kilogram
2. second
3. Newton
4. Joule
. Find the force that acts on a body of mass 0.05 kg accelerating at 20 ms^-2
1. 1.0 N
2. 10 N
3. 100 N
4. 400 N.
Mercury forms spherical drops when spilt on a wooden bench because;
1. it is very expensive
2. has a high density
3. has a low surface tension
4. has a high cohesive force.
Which of the following is a set of scalar quantities only?
1. Momentum, velocity, mass
2. Mass, distance, energy
3. Length, force, velocity
4. Weight, acceleration, displacement.
The following are factors affecting diffusion in gases;
1. volume and density
2. density and temperature
3. pressure and temperature
4. wind and area
. A body whose mass is 150 kg and density 5 x 10-3g cm³ has a volume of
………….. m³.
1. 30
2. 0.03
3. 0.75
4. 0.000033
Which of the following is a set of derived quantities?
1. Pressure, length, force
2. Mass, length, temperature
3. Weight, volume, area
4. Momentum, time, density
Calculate the weight of a body whose mass is 400 g.
1. 40 N
2. 4000 N
3. 4 N
4. 40 N.
A pump delivers water at a rate of 1 litre per hour to a tank 20 m above a well.
Find the power of the pump
1. 0.0556 W
2. 720 W
3. 0.205 W
4. 556 W
The following are examples of force except;
1. weight
2. centripetal
3. heat
4. tension
When a room is filled with smoke, the smoke tends to concentrate
1. around the walls
2. close to the roof
3. close to the floor
4. midway between the roof and floor.
An object, of mass 2 kg, dropped from the top of a building hits the ground
with K.E of 900 J. The height of the building is.
1. 30 m
2. 45 m
3. 90 m
4. 180 m
Which one of the following quantities is the odd one out:
1. force
2. momentum
3. velocity
4. Kinetic energy
In which one of the following devices is Kinetic converted to electrical energy?
1. An accumulator
2. A dynamo
3. A combustion engine
4. A transformer
When a body is raised above the ground its gravitational potential
1. is raised
2. remains constant
3. is lowered
4. charges to K.E.
When viewing Brownian motion in a smoke cell the observer sees moving specks of light which are:
1. molecules moving in random motion
2. molecules vibrating regularly
3. Smoke particles in random motion
4. molecules colliding with each other.

SENIOR ONE PHYSICS QUIZ

Quiz