A-LevelPhysicsNuclear physicsMay/June 2010Paper 1 Q371 Mark

The grid shows a number of nuclides arranged according to the number of protons and the number of neutrons in each. A nucleus of the nuclide ⁷₃Li decays by emitting a β-particle. What is the resulting nuclide? [Figure 37.1]

Q: What topic does this question test?

This question tests Nuclear physics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

ANuclide at (number of protons: 4, number of neutrons: 4)

BNuclide at (number of protons: 4, number of neutrons: 5)

CNuclide at (number of protons: 3, number of neutrons: 4)

DNuclide at (number of protons: 3, number of neutrons: 5)

✓ Correct Answer

The correct answer is A: Nuclide at (number of protons: 4, number of neutrons: 4)

📋 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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Nuclear physics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2010 examination, Paper 1 Variant 2.

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