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

1

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

1

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

2

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

3

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

3

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

2

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

2

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

A student wishes to measure accurately the volume of approximately 40 cm³ of water. She has two measuring cylinders, a larger one that can hold 100 c...

2014 Summer

Theory

CH2 - FORCES AND MOTION

Which distance/time graph represents the motion of an object moving at constant speed? [Image_1: Graphs A, B, C, D with axes for distance and time]

2014 Summer

Theory

CH2 - FORCES AND MOTION

The graph shows how the speed of a car changes with time. Which calculation gives the distance travelled by the car in 24 seconds?A. $\left(\frac{14}{...

2014 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

Which instrument is used to compare the masses of objects? A. a balance B. a barometer C. a manometer D. a measuring cylinder

2014 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A liquid has a volume of $100 \text{cm}^3$ and a mass of $85 \text{g}$.The density of water is $1.0 \text{g/cm}^3$.How does the density of the liquid ...

2014 Summer

Theory

CH3 - FORCES AND PRESSURE

A plane lamina with centre of mass X touches the ground at point P.Which diagram shows the lamina in equilibrium?

2014 Summer

Theory

CH3 - FORCES AND PRESSURE

A student adds weights to an elastic cord. He measures the length of the cord for each weight.He then plots a graph from the results, as shown.What ha...

2014 Summer

Theory

CH4 - FORCES AND ENERGY

Which energy transfer takes place when a matchstick burns?A. chemical to thermalB. chemical to nuclearC. nuclear to chemicalD. thermal to chemical

2014 Summer

Theory

CH4 - FORCES AND ENERGY

Four cars are driven along a road.The table shows the work done by the engine in each car and the time taken by each car.Which engine produces the mos...

2014 Summer

Theory

CH3 - FORCES AND PRESSURE

Which situation is an example of a force acting over a large area to produce a small pressure?A. a builder hammering a nail into a piece of woodB. a c...

2014 Summer