GCSE Physics

Electromagnetic Spectrum

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

You need to know the order of waves in the electromagnetic spectrum! Don't panic.

There are many ways of learning it, but amongst the best are these little sayings, matching the waves in order of decreasing wavelength or increasing frequency:

InevitablyInfra RedInject
UglyUltra VioletUntil
eXX rayseXplosive

How about this one instead?
Rachel Makes Interesting Vegetarian Underwear eXcept G-strings.

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

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