X-rays and gamma rays are ionising radiation. Which statement explains why this makes them hazardous to the human body?
They heat the surface of the skin very quickly as they arrive.
They are absorbed by bone, so the bone becomes less dense.
They can remove electrons from atoms, so genes may mutate.
They travel easily through air, so they reach the body quickly.
40 exam-style questions on AQA GCSE Physics 6.2 Electromagnetic waves, covering 6.2.1 Types of electromagnetic waves, 6.2.2 Properties of electromagnetic waves 1, 6.2.3 Properties of electromagnetic waves 2, 6.2.4 Uses and applications of electromagnetic waves, 6.2.5 Lenses, and 6.2.6 Visible light. Each one has a worked solution and a mark scheme showing where the marks go.