A-LevelPhysicsNuclear physicsMay/June 2023Paper 1 Q381 Mark

What are isotopes?

Q: What topic does this question test?

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

Anuclei of different elements with the same number of neutrons

Bnuclei of different elements with the same number of nucleons

Cnuclei of the same element with different numbers of neutrons

Dnuclei of the same element with different numbers of protons

✓ Correct Answer

The correct answer is C: nuclei of the same element with different numbers of neutrons

📋 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 2023 examination, Paper 1 Variant 2.

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