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

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer