A laboratory technician is working with a solution containing a radioactive isotope that emits α\alphaα-particles. A small drop of this radioactive solution splashes onto the technician's bare skin.
Which statement correctly describes the status of the technician?
They are both contaminated and irradiated.
They are contaminated only.
They are irradiated only.
They are neither contaminated nor irradiated.
13 exam-style questions on OCR GCSE Physics Uses and hazards. Each one has a worked solution and a mark scheme showing where the marks go.