Physics · Oct / Nov 2017 · Paper 11 · Question 23
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
As printed in the paper
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Correct answer: A. gamma rays
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