Theory

CH6 - WAVES AND SOUNDS

Some plane waves travel on the surface of water in a tank. They pass from a region of deep water into a region of shallow water. Fig. 6.1 shows what t...

2010 Summer

3

Theory

CH6 - WAVES AND SOUNDS

During a thunderstorm, thunder and lightning are produced at the same time.(a) A person is some distance away from the storm.Explain why the person se...

2010 Summer

2

Theory

CH6 - WAVES AND SOUNDS

(a) Fig. 6.1 shows the position of layers of air, at one moment, as a sound wave of constant frequency passes through the air. Compressions are labell...

2011 Winter

3

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

2

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

2

Theory

CH6 - WAVES AND SOUNDS

Which group contains only transverse waves?A infra-red waves, light waves, sound wavesB infra-red waves, light waves, ultra-violet wavesC infra-red wa...

2010 Winter

4

Theory

CH6 - WAVES AND SOUNDS

Water waves in a tank pass over a thin plastic block as shown. What happens to the waves as they reach the plastic block?A They are diffracted because...

2010 Winter

4

Theory

CH6 - WAVES AND SOUNDS

Radio waves are received at a house at the bottom of a hill.The waves reach the house because the hill has caused them to beA) diffracted.B) radiated....

2011 Winter

3

Theory

CH6 - WAVES AND SOUNDS

The diagrams represent the waves produced by four sources of sound. The scales are the same for all the diagrams.Which sound has the highest frequency...

2012 Summer

3

Theory

CH6 - WAVES AND SOUNDS

Which of these waves is longitudinal? A. infra-red B. radio C. sound D. water

2011 Winter

3

Theory

CH1 - MEASUREMENTS AND UNITS

The diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?A. a driver of a car that is braking to stop at traffic lightsB. a passenger in a train that is stationar...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances, as shown in the diagrams. What does the diagram show about X and Y? A They have the same mas...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

1

Theory

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120g when empty.When it contains 50cm3 of a liquid, the total mass of the measuring cylinder and the liquid is 160g...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A car moves along a level road.The diagram shows all of the horizontal forces acting on the car.Which statement is correct?A. The car is slowing down....

2013 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

1

Theory

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system. What are the main energy changes taking place?A. chemical energy \(\rightarrow\) kinetic energy \(\rightarro...

2013 Summer

1

Theory

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level.The...

2013 Summer

1