Physics IGCSE Making Measurements

A student uses a ruler to find the volume of water in a tank. She measures the lengths EF and FG.

What other length does she need to measure?

• FJ

• FK

• HI

• IJ

The diagram shows a rectangular metal sheet close to two rulers. What is the area of the metal sheet?

• 700 cm^2

• 675 cm^2

• 900 cm^2

• 1125 cm^2

A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s. What is the time for one complete swing of the pendulum?

• 0.67 s

• 0.75 s

• 1.5 s

• 3.0 s

Each of the following blocks is a different type of metal. Each block has a mass of 12 g.

Which metal has the largest density?

• 
• 
• 
• 

A student measures the volume of a small irregularly-shaped stone.

Which apparatus must be used?

• a measuring cylinder containing water and a ruler only

• a measuring cylinder containing water only

• an empty measuring cylinder and a ruler only

• a ruler only

A measuring cylinder contains 10 cm^3 of water. A piece of steel is lowered into the measuring cylinder until it is fully submerged. The volume reading increases to 12 cm^3.

A second piece of steel is lowered into the measuring cylinder so that it is also fully submerged. The volume reading increases to 15 cm^3.

Which row shows the volumes of the two pieces of steel?

• Volume of first piece: 2 cm^3;

  Volume of second piece: 3 cm^3

• Volume of first piece: 2 cm^3;

  Volume of second piece: 5 cm^3

• Volume of first piece: 12 cm^3;

  Volume of second piece: 3 cm^3

• Volume of first piece: 12 cm^3;

  Volume of second piece: 15 cm^3

The S.I. prefix centi indicates x $10^{-2}$ . Which option below correctly indicates the prefixes milli and giga 

• $10^{-3\ }$ and $10^9$

•  $10^3$  and  $10^6$ 

• $10^{-9}$ and  $10^9$ 

• $10^{-9}$ and $10^6$ 

A vernier calipers can be used to measure a certain quantity. Which quantity can it measure?

• temperature

• length

• pressure

• density

The diagram shows four identical spheres placed between two wooden blocks on a ruler.

What is the diameter of one sphere?

• 1.0 cm

• 2.0 cm

• 3.0 cm

• 4.0 cm

Which of the following is a scalar quantity?

• displacement

• velocity

• force

• mass