Theory

CH5 - THERMAL EFFECTS

In an experiment, some of a substance changes from a liquid to a gas. The temperature of the remaining liquid changes because of this.What is the name...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

The graph shows the change in temperature of a substance as it is heated steadily.Which part of the graph shows when the substance is boiling?

2009 Summer

Theory

CH5 - THERMAL EFFECTS

Four blocks, made of different materials, are each given the same quantity of internal energy (heat).Which block has the greatest thermal capacity?[Im...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

A rod is made up of copper and wood joined together. After the rod is heated at the join in the centre for about a minute, where would the lowest tem...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

The diagram shows a fire. Why does the smoke rise above the fire?A) Smoke evaporates more quickly at higher temperatures.B) Smoke molecules diffuse mo...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

(a) A certain volume of water at room temperature and the same volume of ice in a freezer are each heated through the same temperature rise.Which of t...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

(a) Some water is poured onto a plastic table-top, forming a puddle. The same volume of water is poured into a plastic dish, which is placed alongside...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

Brownian motion is observed by looking at smoke particles through a microscope.How do the smoke particles move in Brownian motion?A all in the same di...

2009 Winter

Theory

CH5 - THERMAL EFFECTS

To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed.Which of these is a fixed point?A. room temperatu...

2009 Winter

Theory

CH5 - THERMAL EFFECTS

The table gives the melting points and boiling points of glycerine and benzene.[Table_1]At which temperature will both glycerine and benzene be liquid...

2009 Winter

MCQ

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 th...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

The speed-time graph shown is for a car moving in a straight line. What is the acceleration of the car when the time is 40s?

2016 Summer

MCQ

CH2 - FORCES AND MOTION

Two runners take part in a race. The graph shows how the speed of each runner changes with time. What does the graph show about the runners at time $t...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A satellite orbits the Earth above the atmosphere at a constant speed. The diagram shows the satellite at one point in its circular orbit around the E...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A cup contains hot liquid.Some of the liquid evaporates.What happens to the mass and what happens to the weight of the liquid in the cup?[Table_1]

2016 Summer

MCQ

CH3 - FORCES AND PRESSURE

The diagrams show three uniform beams P, Q, and R, each pivoted at its centre. The two forces acting on each beam are also shown. Which beams rotate c...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

An object of mass 50 kg accelerates from a velocity of 2.0 m/s to a velocity of 10 m/s in the same direction.What is the impulse provided to cause thi...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A scalar quantity has

2016 Summer

MCQ

CH4 - FORCES AND ENERGY

Energy is released in some nuclear reactions. Which nuclear reaction takes place in a nuclear power station, and which nuclear reaction takes place in...

2016 Summer

MCQ

CH4 - FORCES AND ENERGY

A lorry of mass 4000 kg is travelling at a speed of 4.0 m/s. A car has a mass of 1000 kg. The kinetic energy of the car is equal to the kinetic energ...

2016 Summer