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How can intense microwaves harm body tissue?
A
Its changing electric field makes electrons oscillate, inducing an alternating signal.
B
They ionise molecules, which can damage DNA.
C
They penetrate tissue and cause internal heating when absorbed by water molecules.
D
It is absorbed near the skin surface and transfers energy by heating.
Card 1 of 23
5.4 Uses and dangers of EM radiation Flashcards
23 flashcards on Edexcel GCSE Physics 5.4 Uses and dangers of EM radiation: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.