Theory

CH5 - THERMAL EFFECTS

(a) Four identical metal plates, at the same temperature, are laid side by side on the ground. The rays from the Sun fall on the plates.One plate has ...

2010 Summer

3

Theory

CH5 - THERMAL EFFECTS

Which pair contains only physical quantities that vary with temperature and so could be used in making a thermometer?A activity of a radioactive sour...

2012 Summer

2

Theory

CH5 - THERMAL EFFECTS

A certain substance is in the solid state at a temperature of -36°C. It is heated at a constant rate for 32 minutes. The record of its temperature is...

2010 Summer

3

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

3

Theory

CH5 - THERMAL EFFECTS

(a) Equal volumes of a gas held at constant pressure, a liquid and a solid undergo the same temperature rise.(i) State which of the three, solid, liqu...

2011 Winter

2

Theory

CH5 - THERMAL EFFECTS

To mark the lower fixed point of a Celsius scale on a thermometer, the thermometer should be placed inA. pure alcohol.B. pure distilled water.C. pure ...

2011 Winter

3

Theory

CH5 - THERMAL EFFECTS

A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper.Which molecules es...

2010 Winter

2

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

3

Theory

CH5 - THERMAL EFFECTS

Which change is condensation? [Image depicting changes between solid, liquid, and gas with arrows labeled A, B, C, D]

2010 Winter

2

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

2

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

1

MCQ

CH2 - FORCES AND MOTION

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

2018 Summer

1

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

1

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

1

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

1

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

1

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

1

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

1

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

2

MCQ

CH4 - FORCES AND ENERGY

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

2018 Summer

1