O-LevelPhysicsLight5054/11 · Oct/Nov 2017 · Q231 Mark
A type of electromagnetic radiation possesses the following properties. • It is ionising. • Its frequency is higher than the frequency of microwaves. • It is not detected by the human eye. What is this radiation?
Agamma rays
Binfra-red
Clight
Dradio waves
✓ Correct answer
A: gamma rays
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