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

1

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

2

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

1

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

2

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

1

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

Theory

CH1 - MEASUREMENTS AND UNITS

A scientist needs to determine the volume of a small, irregularly shaped rock sample. Only a rule and a measuring cylinder, partially filled with wate...

2010 Summer

2

Theory

CH1 - MEASUREMENTS AND UNITS

A student uses a stopwatch to time a runner running around a circular track. The runner runs two laps (twice around the track). The diagrams show the ...

2010 Summer

1

Theory

CH2 - FORCES AND MOTION

Two distance/time graphs and two speed/time graphs are shown. Which graph represents an object that is at rest? [Image_1: Graphs A, B, C, and D]

2010 Summer

2

Theory

CH2 - FORCES AND MOTION

A snail moves along a ruler. It takes 20s to move from Q to R.What is its average speed from Q to R?A. $\frac{12}{20}$ cm/sB. $\frac{12 - 2}{20}$ cm/s...

2010 Summer

1

Theory

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances as shown in the diagram.What does the diagram show about X and Y?A. They have the same mass and ...

2010 Summer

2

Theory

CH2 - FORCES AND MOTION

The graph shows how weight varies with mass on planet P and on planet Q.An object weighs 400 N on planet P. The object is taken to planet Q. Which row...

2010 Summer

1

Theory

CH1 - MEASUREMENTS AND UNITS

The diagram shows a rectangular block of density $2\, \text{g/cm}^3$.What is the mass of the block?A 2g   B 6g   C 14g   D 24g

2010 Summer

1

Theory

CH2 - FORCES AND MOTION

Which statement about a moving object is correct? A. When an object is accelerating, the resultant force acting on it must equal zero. B. When an obje...

2010 Summer

2

Theory

CH3 - FORCES AND PRESSURE

An experiment is carried out to measure the extension of a rubber band for different loads.The results are shown below.[Table_1]Which figure is missin...

2010 Summer

1

Theory

CH4 - FORCES AND ENERGY

Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them?[Table_1]| | a battery | a box of matches ...

2010 Summer

2