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

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather. What is the length of the...

2011 Summer

Theory

CH2 - FORCES AND MOTION

An object moves initially with constant speed and then with constant acceleration. Which graph shows this motion?

2011 Summer

Theory

CH6 - WAVES AND SOUNDS

A tennis player hits a ball hard and 0.40 s later hears the echo from a wall. The speed of sound in air is 330 m/s.How far away is the player from the...

2011 Summer

Theory

CH2 - FORCES AND MOTION

Which statement about mass and weight is correct?A. Mass and weight are both forces.B. Neither mass nor weight is a force.C. Only mass is a force.D. O...

2011 Summer

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a balance being used to find the weight of a baby. The weight of the basket can be ignored.At equilibrium, the pivot is nearer to th...

2011 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A cube of side 2.0 cm is placed on a balance. What is the density of the cube? A. 0.90 g/cm³ B. 1.2 g/cm³ C. 1.8 g/cm³ D. 3.6 g/cm³

2011 Summer

Theory

CH3 - FORCES AND PRESSURE

Objects with different masses are hung on a spring. The diagram shows how much the spring stretches.The extension of the spring is directly proportion...

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Which row gives an example of the stated form of energy?[Table_1]form of energy | exampleA gravitational | the energy due to the movement of a train a...

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity by first boiling water? A. hydroelectric B. nuclear fission C. tides D. waves

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. As sunset approaches, they increase...

2011 Summer