Why is radioactive decay described as spontaneous?
It is not affected by external factors like temperature, pressure, or chemical state.
It is caused by external factors like temperature, pressure, or chemical state.
It is prevented by external factors like temperature, pressure, or chemical state.
It is increased by external factors like temperature, pressure, or chemical state.
Flashcards for Edexcel A Level Physics Half-life and radioactive decay equations, covering the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3. 21 cards, matched to the Edexcel A Level Physics (9PH0) specification.
