An irradiated object does [ ] because it has not been [ ].
An irradiated object does not become radioactive because it has not been irradiated.
An irradiated object does become radioactive because it has not been exposed.
An irradiated object does become radioactive because it has not been contaminated.
An irradiated object does not become radioactive because it has not been contaminated.
Flashcards for OCR GCSE Physics Uses and hazards, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier). 24 cards, matched to the OCR GCSE Physics (J249) specification. Recall questions account for roughly 40% of marks at GCSE Physics, so these target the marks you can secure before the paper starts.