Eighth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers N-Z graphs, radioactive series and nuclear energy levels. Fully resourced and with practice exam questions (with worked answers).

Seventh lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers radioactive dating, radioactive tracers and the use of radioactivity in hospitals. Fully resourced and with practice exam questions (with worked answers).

Sixth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers whether a radioactive source can decay completely, exponential decreases and why a radioactive decay is a random process. Fully resourced and with practice exam questions (with worked answers).

Fifth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers what is meant by a radioactive isotope, half-life, activity and power. Fully resourced and with practice exam questions (with worked answers).

Fourth lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers why ionising radiation is harmful and how exposure to ionising radiation can be reduced. Fully resourced and with practice exam questions (with worked answers).

Third lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers what happens to a nucleus in a radioactive change. how gamma radiation intensity changes and how to represent the change in a nucleus when it emits radiation. Fully resourced and with practice exam questions (with worked answers).

Second lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers properties of alpha, beta and gamma radiation and observations of these properties. Fully resourced and with practice exam questions (with worked answers).

First lesson of the ‘Radioactivity’ topic for the second year of the AQA A-Level Physics course. Covers estimating the size of the nucleus and how the nucleus was discovered. Fully resourced and with practice exam questions (with worked answers).

Fourth lesson of the ‘Nuclear energy’ topic for the second year of the AQA A-Level Physics course. Covers how a nuclear reactor works and how a nuclear reactor is controlled (including safety). Fully resourced and with practice exam questions (with worked answers).

Third lesson of the ‘Nuclear energy’ topic for the second year of the AQA A-Level Physics course. Covers induced fission, nuclear fusion and fusion power. Fully resourced and with practice exam questions (with worked answers).

Second lesson of the ‘Nuclear energy’ topic for the second year of the AQA A-Level Physics course. Covers binding energy, nuclear stability and energy in fission. Fully resourced and with practice exam questions (with worked answers).

First lesson of the ‘Nuclear energy’ topic for the second year of the AQA A-Level Physics course. Covers energy changes in reactions, what happens to the mass of an object as it gains/loses energy and energy calculations in nuclear reactions… Fully resourced and with practice exam questions (with worked answers).

Fifth lesson of the ‘DC circuits’ topic for the first year of the AQA A-Level Physics course. Covers theory of the potential divider, how to supply a variable pd from a battery and how to create a sensor circuit. Fully resourced and with practice exam questions (with worked answers).

Fourth lesson of the ‘DC circuits’ topic for the first year of the AQA A-Level Physics course. Covers more in depth calculations of current for series, parallel, circuits with several cells and circuits with diodes. Fully resourced and with practice exam questions (with worked answers).

Third lesson of the ‘DC circuits’ topic for the first year of the AQA A-Level Physics course. Covers electromotive force, internal resistance and power. Fully resourced and with practice exam questions (with worked answers).

Second lesson of the ‘DC circuits’ topic for the first year of the AQA A-Level Physics course. Covers resistors in series and parallel, resistance heating. Fully resourced and with practice exam questions (with worked answers).

First lesson of the ‘DC circuits’ topic for the first year of the AQA A-Level Physics course. Covers current rules and potential difference rules. Fully resourced and with practice exam questions (with worked answers).