Theory

CH6 - WAVES AND SOUNDS

The diagrams show water waves that move more slowly after passing into shallow water at the broken line.Which diagram shows what happens to the waves?...

2009 Summer

Theory

CH6 - WAVES AND SOUNDS

The diagrams show examples of wave motion.[Image_1: ripple tank - waves on water][Image_2: drum - waves in air][Image_3: waves on a rope][Image_4: wav...

2009 Summer

Theory

CH6 - WAVES AND SOUNDS

A small boat in a harbour is protected from waves on the sea by harbour walls. Some waves can curve round the harbour walls and reach the boat.What is...

2009 Summer

Theory

CH6 - WAVES AND SOUNDS

An engineer standing at P sees an explosion at X.After the explosion, she hears two bangs. One bang is heard a fraction of a second after the other. T...

2009 Summer

Theory

CH6 - WAVES AND SOUNDS

The drawing shows a wave. Which labelled distance is the wavelength?

2009 Winter

Theory

CH6 - WAVES AND SOUNDS

Sound waves travel from a point X to another point Y. Which diagram represents the movement of the air molecules, caused by ...

2009 Winter

Theory

CH6 - WAVES AND SOUNDS

Which range of frequencies typically can be heard by a 10 year-old child?A 20Hz – 2000HzB 20Hz – 20000HzC 200Hz – 2000HzD 200Hz – 20000Hz

2009 Winter

Theory

CH6 - WAVES AND SOUNDS

Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space. Compared with the sound heard if they were wo...

2009 Winter

Theory

CH6 - WAVES AND SOUNDS

Which range of frequencies typically can be heard by a 10 year-old child? A 20 Hz – 2000 Hz B 20 Hz – 20 000 Hz C 200 Hz – 2000 Hz D 200 Hz – ...

2009 Winter

Theory

CH6 - WAVES AND SOUNDS

Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space. Compared with the sound heard if they were wo...

2009 Winter

Theory

CH1 - MEASUREMENTS AND UNITS

A cylindrical can is rolled along the ruler shown in the diagram.The can rolls over twice.What is the circumference (distance all round) of the can?A ...

2012 Summer

Theory

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car?

2012 Summer

Theory

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?A 1.5 km/h B 90 km/h C 144 km/h D 2...

2012 Summer

Theory

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons? A) density B) energy C) pressure D) weight

2012 Summer

Theory

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed ...

2012 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g.What is the density of the stone?A. 0.25 g/cm3B. 1.5 g/cm3C. 2.5 g/cm3D. 4.0 g/cm3

2012 Summer

Theory

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses.upper decklower deckWhy is this?A. They would cause the bus to become les...

2012 Summer

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?A T...

2012 Summer

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

Theory

CH4 - FORCES AND ENERGY

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z.An incomplete word equation about ...

2012 Summer