1 Physical Quantities 2019 JnN

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 cm³ of water.

A piece of steel is lowered into the measuring cylinder until it is fully submerged.

The volume reading increases to 12 cm³.

A second piece of steel is lowered into the measuring cylinder so that it is also fully submerged.

The volume reading increases to 15 cm³.

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

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

A student measures the diameter of a pencil. Which measuring instrument will give the most precise reading?

• a measuring tape

• a metre rule

• a micrometer screw gauge

• a ruler

A student measures the dimensions of a cylindrical glass beaker. For which measurement should she use a micrometer screw gauge?

• circumference of the beaker

• diameter of the beaker

• height of the beaker

• thickness of the glass wall of the beaker

Which is the best apparatus to use to measure the thickness of a coin?

• balance

• ruler with a millimetre scale

• micrometer screw gauge

• pressure gauge

A digital stop-clock measures time in minutes and seconds.

The stop-clock reads 00:50 when it is started (i.e. 00 minutes 50 seconds).

It reads 02:10 when it is stopped.

What is the shortest possible time that has elapsed between starting and stopping the stop-clock?

• 1 minute 20 seconds

• 2 minutes 00 seconds

• 2 minutes 10 seconds

• 3 minutes 00 seconds

What is the volume of the cork?

• 20 cm³

• 30 cm³

• 45 cm³

• 70 cm³

The diagram shows a measuring cylinder containing liquid.

What is the reading for the volume of liquid in the cylinder?

• 13.0 cm³

• 13.5 cm³

• 16.0 cm³

• 17.0 cm³

Which quantity can be measured directly using a micrometer screw gauge?

• the area of a sheet of paper

• the mass of a sheet of paper

• the thickness of a sheet of paper

• the volume of a sheet of paper