Choose the most correct option

- Which of the following is the correct definition of Physics?

- The study of matter in relation to energy.
- The study of physical quantities.
- A science that deals with materials.
- A branch of science that is centred on study of living things.

- The following are all basic quantities except one. Which one?

- weight
- Mass
- Time
- Length.

- One of the branches of Physics is;

- Physical quantities
- Measurements
- Electricity
- Volume.

- A micrometer screw gauge is used to determine the diameter of an object, the sleeve reading is noted as 4.5mm, while the thimble reading is 35divisions. Calculate the diameter of the object.

- 8.00mm
- 4.85cm
- 4.535mm
- 4.85mm

- In measuring volume of a liquid we use;

- weighing scale
- Micrometer screw gauge
- Measuring Cylinder
- Eureka can

- Covert a length of 52400cm to km.

- 52.4km
- 5.24km
- 0.524km
- 5,240,000,000km

- A Perspex box has a square base of 7cm and contains water to a height of 10cm. What is the volume of water in the box?

- 49cm
^{3} - 490cm
^{3} - 490m
^{3} - 70cm
^{3}

- 49cm
- The dimensions of a blackboard are 1.5m by 0.02m. The area of this blackboard in square centimetres is:
- 3.0 cm
^{2} - 30000 cm
^{2} - 3000 cm
^{2} - 300 cm
^{2}

- 3.0 cm
- A plastic object has a mass of 600g,and when immersed in a measuring cylinder containing water, the water level rises from 40cm
^{3}to 55cm^{3}

The density of this plastic material is:

- 15g/cm
^{3} - 24g/cm
^{3} - 40g/cm
^{3} - 0.025g/cm
^{3}

- 15g/cm
- What does a beam balance measure?

- Density
- Mass
- Volume
- Weight

- Which of the following properties of a solid would change if it were taken from the earth to the moon?

- Mass
- Volume
- Weight
- Density

- Which of the following can be used to measure the diameter of a bicycle spoke accurately?
- Micrometer screw gauge
- Vernier calliper
- Metre rule
- Tape Measure

- Which of the following is not an SI unit symbol for a fundamental quantity?

- kg
- m
- s
- ms
^{-1}

- The following rules apply when counting significant figures except one. Which one?
- All non- zero numbers are significant.
- m
- s
- ms
^{-1}

- What is physics?
- The study of matter in relation to energy.
- The study of the physical quantities and their properties.
- The study of instrument used for measurements of physical quantities.
- The study of living and non-living things.

- Which of the following is not a derived quantity?
- Density
- Volume
- speed
- length

- The following instruments all measure lengths except one, which one?
- Tape measure
- micrometer screw gauge
- Burette
- Metre rule

- A cylindrical tank has a diameter of 1400cm and a height of 4.9m. What is the volume of water in the tank when it is half filled?
- 754.6cm
^{3} - 377.3cm
^{3} - 1437.3cm
^{3} - 718.6cm
^{3}

- 754.6cm
- Which of the following converts sound energy to electrical energy?
- Microphone
- Loud Speaker
- Generator
- Electric bell

- A measuring cylinder contains 25cm
^{3}of a liquid. When 100drops of the same liquid are poured into the cylinder, the new reading is 50cm^{3}

What is the volume of one drop of the liquid?- 0.50cm
^{3} - 2.5cm
^{3} - 25cm
^{3} - 0.25cm
^{3}

- 0.50cm
- A boy of mass 80kg climbs 30 stairs in a time of 2minutes.If the length of each stair is 20cm, calculate the power output of the boy.
- 2400W
- 40W
- 4W
- 240W

- Which of the following are second class levers only?
- Nut cracker, wheelbarrow
- seasaw, wheelbarrow
- Pliers, Claw hammer
- Bottle openner, Pair of tongs

- Convert 10days to minutes.
- 240 minutes
- 600minutes
- 14400minutes
- 1000minutes

- Which of the following is not true about solids
- Molecules of a solid vibrate to and fro about the mean position.
- Solids have definite shape but no definite volume.
- Molecules of a solid are closely packed.
- Solids have definite shape and definite volume.

- The moment of a 5N force whose perpendicular distance from a point is 10cm is?
- 0.5Nm
- 50Nm
- 2Nm
- 15Nm

- An object of mass 2kg is dropped from the top of a building and hits the ground with kinetic energy of 900J. The height of the building is
- 30m
- 45m
- 90m
- 180m

- Which of the following is not an energy source?
- The sun
- water
- oil reserves
- A motor

- The following are all vector quantities except one, which one?
- weight
- force
- energy
- displacement

- When we light a filament bulb using a dry cell and a wire the energy changes that occur are:
- Light energy electrical energy heat energy.
- Chemical energy electrical energy light energy.
- Electrical energy light energy chemical energy.
- Electrical energy heat energy sound energy.

- The work done in joules to raise a jerry can full of water through a vertical height of 2.5metres is 500J. Calculate the force applied.
- 750N
- 497.5N
- 200N
- 50N