MCQ

CH11 - ATOMS AND RADIOACTIVITY

A radioactive nucleus contains 138 neutrons. The nucleus emits an \( \alpha \)-particle.How many neutrons are in the nucleus after it has emitted the ...

2009 Summer

MCQ

CH11 - ATOMS AND RADIOACTIVITY

The graph shows the decay curve for one particular radioactive nuclide. What is the half-life of this nuclide?

2009 Summer

MCQ

CH11 - ATOMS AND RADIOACTIVITY

$^{16}_{7}\text{N}$ is the symbol for a particular nuclide of nitrogen.How many nucleons does this nuclide contain?

2009 Summer

Theory

CH11 - ATOMS AND RADIOACTIVITY

The following table includes some of the properties of alpha, beta and gamma radiations.Complete the table by filling in the missing properties.[Table...

2009 Summer

MCQ

CH11 - ATOMS AND RADIOACTIVITY

Which statement explains the meaning of the half-life of a radioactive substance?

2009 Winter

MCQ

CH11 - ATOMS AND RADIOACTIVITY

The diagram shows the paths of three different types of radiation, X, Y and Z.Which row in the table correctly identifies X, Y and Z?

2009 Winter

MCQ

CH11 - ATOMS AND RADIOACTIVITY

How many neutrons and how many protons are contained in a nucleus of $^{238}_{92}\text{U}$? [Table_1]

2009 Winter

MCQ

CH11 - ATOMS AND RADIOACTIVITY

How many neutrons and how many protons are contained in a nucleus of $^{238}_{92} ext{U}$? [Table_1]

2009 Winter

MCQ

CH11 - ATOMS AND RADIOACTIVITY

Which statement explains the meaning of the half-life of a radioactive substance?

2009 Winter

MCQ

CH11 - ATOMS AND RADIOACTIVITY

The diagram shows the paths of three different types of radiation, X, Y and Z.Which row in the table correctly identifies X, Y and Z?

2009 Winter

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

MCQ

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?

2013 Summer

MCQ

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

MCQ

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances, as shown in the diagrams. What does the diagram show about X and Y?

2013 Summer

MCQ

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120 g when empty. When it contains 50 cm^3 of a liquid, the total mass of the measuring cylinder and the liquid is ...

2013 Summer

MCQ

CH2 - FORCES AND MOTION

A car moves along a level road. The diagram shows all of the horizontal forces acting on the car. Which statement is correct?

2013 Summer

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

MCQ

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system.What are the main energy changes taking place?

2013 Summer

MCQ

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level. Th...

2013 Summer