Having previously covered waves in general (https://physbang.com/2023/04/13/key-facts-waves/) it is now time to look at electromagnetic waves in particular as this is a topic in its own right. Electromagnetic waves are created by the movement of electrons in different situations. The electrons can be moving in an electric circuit, to produce or receive radio waves, or … Continue reading Key Facts: Electromagnetic Waves
EM Waves: Uses and Dangers
Different EM waves are used for different applications, which you are expected to be able to recall and explain. We will go through some of these uses in this article, which is unavoidably long as there is a lot of information to cover. Your exam preparation should therefore involve making summary notes from the wealth … Continue reading EM Waves: Uses and Dangers
Electromagnetic Waves (overview)
We think of light as being special - but that's only because our eyes respond to it, allowing us to see the world around us. In fact, light is just one example of an electromagnetic wave. Other electromagnetic (EM for short) waves include infra-red, ultra-violet, radio and x-rays. The range of EM waves, known as … Continue reading Electromagnetic Waves (overview)
Home Study Projects
Constantly going over things that you have already learned can get a bit boring so if you want to extend your knowledge over the summer holiday then it's a good idea to do so using some fresh material. Finding suitable resources can be tricky so let me suggest some materials that are provided online at … Continue reading Home Study Projects
Check your Knowledge
The ability to recall key facts and the relationships between those facts is an important part of learning in any context. As we reach the end of the two modules covering Waves and the Electromagnetic Spectrum it is important that you check how much you can remember of the content that has been covered. To … Continue reading Check your Knowledge
EMS Short Study Course
NASA has created an excellent self-contained short study course that covers the electromagnetic spectrum (EMS) from an astronomy perspective. This resource therefore has double value for GCSE Physics as it supports learning across the topics of both waves and space. The course comprises four introductory sections, eight units on parts of the electromagnetic spectrum and … Continue reading EMS Short Study Course
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