This post completes an explanation given to my current Y13 students, which was unfinished at the end of our lesson. It relates to the second half of Q3 in Paper 3a for the AQA A-Level Physics examination of June 2023. You can download a copy of the complete paper here. To solve Q3.4 you must … Continue reading Paper 3a, Q3 walk-through
What is Spin?
Spin, when applied to fundamental particles, is a property rather than a description. The basic components of matter are not tiny spinning tops, like coins that are stood on edge then flicked on opposite sides to make them rotate. Instead, spin is a physical property that can be demonstrated and also a numerical value that … Continue reading What is Spin?
What causes aurorae?
As the nights draw in and skies get darker we approach the time of year when aurorae become easier to observe, especially at times (like now) of high sunspot activity. But the link between aurorae and events happening on the surface of the Sun is not immediately obvious and was initially deduced only indirectly. Subject … Continue reading What causes aurorae?
Key Facts: (Electro)Magnetism
With only the final Physics paper left to be sat in the this year's AQA Trilogy exams, you should now be giving your revision a final push. Magnetism and electromagnetism is a fairly compact stand-alone topic and is the ideal candidate for a quick refresher. The knowledge you need can be divided into six areas … Continue reading Key Facts: (Electro)Magnetism
