This memory aid covers Memory Aid within Electromagnetic Spectrum for GCSE Physics. Revise Electromagnetic Spectrum in Waves for GCSE Physics with 17 exam-style questions and 15 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 9 of 13 in this topic. Use it for quick recall, then test yourself straight afterwards so the memory aid becomes usable in an answer.
Topic position
Section 9 of 13
Practice
17 questions
Recall
15 flashcards
🧠 Memory Aid
Order of EM spectrum (low to high frequency):
"Raging Martians Invaded Venus Using X-ray Guns"
Radio — Microwave — Infrared — Visible — Ultraviolet — X-ray — Gamma
Which end is dangerous? The "Gun" end (gamma/X-ray) — high frequency, high energy, ionising.
Visible light colours: Red Orange Yellow Green Blue Indigo Violet — "Richard Of York Gave Battle In Vain"
Keep building this topic
Read this section alongside the surrounding pages in Electromagnetic Spectrum. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Electromagnetic Spectrum
What is the speed of all electromagnetic waves in a vacuum?
Explain the potential dangers of ultraviolet radiation to humans.
Quick Recall Flashcards
17 questions on Electromagnetic Spectrum — practise free
Instant marking, adaptive difficulty, and 15 spaced repetition flashcards. Free until your GCSEs.
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