GCSE Physics

Electromagnetic Spectrum

radio | micro | IR | visible | UV | X | gamma

It's possible that you need to know the order of waves in the electromagnetic spectrum the other way round! Again: Don't panic.

Here are two ways of learning it (thanks Alex Uribe!), matching the waves in order of increasing wavelength or decreasing frequency:

eXpectX rayseXpectations
UglyUltra VioletUsually
InInfra RedInto

Remember also that it's the high frequency waves that are the most dangerous.

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