Edexcel IGCSE Physics · Spec 3.10-3.14
The Electromagnetic Spectrum
The electromagnetic spectrum, its order, and the uses and dangers of each type.
Physics revision video
The Electromagnetic Spectrum
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Spec 3.10-3.14
What you need to know
- List the seven parts of the EM spectrum in order
- Give a use for each type of wave
- Describe the dangers of some EM waves
Active recall
Quick check
Answer each question before opening the answer.
List the EM spectrum from longest to shortest wavelength.
Radio, microwave, infrared, visible light, ultraviolet, X-rays, gamma rays.
What do all electromagnetic waves have in common?
They are transverse and travel at the same speed (the speed of light) in a vacuum.
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