Physics IGCSE May/June 2004

The diagram shows a measuring cylinder.

Which unit would be most suitable for its scale?

• mm²

• mm³

• cm²

• cm³

A piece of cotton is measured between two points on a ruler.

When the length of cotton is wound closely around a pen, it goes round six times.

What is the distance once round the pen?

• 2.2 cm

• 2.6 cm

• 13.2 cm

• 15.6 cm

The diagram shows the speed-time graph for an object moving at constant speed.
What is the distance travelled by the object in the first 3s?

• 1.5m

• 2.0m

• 3.0m

• 6.0m

A small steel ball is dropped from a low balcony.

Ignoring air resistance, which statement describes its motion?

• It falls with constant acceleration.

• It falls with constant speed.

• It falls with decreasing acceleration.

• It falls with decreasing speed

Which statement about the mass of a falling object is correct?

• It decreases as the object falls.

• It is equal to the weight of the object.

• It is measured in newtons.

• It stays the same as the object falls.

The weights of four objects, 1 to 4, are compared using a balance

Which object is the lightest?

• 1

• 2

• 3

• 4

Which of the following is a unit of density?

• cm³ / g

• g / cm²

• g / cm³

• kg / m²

A piece of card has its centre of mass at M. Which diagram shows how it hangs when suspended by a thread?

• 
• 
• 
• 

A balloon is inflated in a cold room. When the room becomes much warmer, the balloon becomes larger. How does the behaviour of the air molecules in the balloon explain this?

• The molecules become larger.

• The molecules evaporate.

• The molecules move more quickly.

• The molecules repel each other.

A substance is heated at a steady rate. It changes from a solid to a liquid, and then to a gas. The graph shows how its temperature changes with time.

Which parts of the graph show a change of state taking place?

• P and R

• P and S

• Q and R

• Q and S