IGCSE quiz

what is the density of the liquid?

• 0.60 g/cm³

• 0.67 g/cm³

• 1.5 g/cm³

• 1.7 g/cm³

• A

• B

• C

• D

Which statement about the ball is correct?

• Ball P has the greatest acceleration.

• Balls Q and R take the same time to fall to the ground

• The acceleration of ball R is half the acceleration of ball P.

• Ball S has the greatest average speed

A metal has a specific heat capacity of 360 J/(kg°C). An object made of this metal has a mass of 2.0 kg.

What is the thermal capacity (heat capacity) of the object?

• 720 J/°C

• 180 J/°C

• 720 J/kg

• 180 J/kg

A person uses a surfboard to ride every 30th wave crest towards the beach. The wave crest travels at a speed of 1.6m / s and the distance between each wave crest is 24m.

How many wave crests does the person surf in one hour?

• 1

• 2

• 8

• 450

What correctly expresses the volt in terms of SI base units?

• AΩ

• W A^–1

• kg m² s^–3 A^–1

• kg m² s^–1 A^–1

A small compass is placed close to a strong bar magnet, the same distance from each end.

Which diagram shows the direction in which the compass needle points?

• A

• B

• C

• D

Which particles move in a metal to cause an electric current?

• electrons

• neutrons

• protons

• nucleons

Four circuits are set up.

In which circuit does the ammeter show the greatest reading?

• A

• B

• C

• D

Which pair causes the bell to ring?

• bright light and low temperature

• bright light and high temperature

• dim light and low temperature

• dim light and high temperature