A-LevelPhysicsNuclear physicsMay/June 2012Paper 1 Q391 Mark
Nuclear decay is both spontaneous and random in nature. Which row gives the correct experimental evidence for these properties?
Aspontaneous nature of decay: the decay rate is not affected by pressure, random nature of decay: the decay rate is not affected by temperature
Bspontaneous nature of decay: the decay rate is not affected by pressure, random nature of decay: the rate at which radiation is received at a counter fluctuates
Cspontaneous nature of decay: the decay rate is not affected by temperature, random nature of decay: the decay rate is not affected by pressure
Dspontaneous nature of decay: the rate at which radiation is received at a counter fluctuates, random nature of decay: the decay rate is not affected by pressure
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of nuclear physics within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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