10 MARKS · FREE PRACTICE COMPANION
October/November 2025 · 9702/38 · Question 1(b)
Open Question 1(b) in your own authorized copy of the October/November 2025 · 9702/38 paper. Read the original question before writing your response below.
This companion does not reproduce the paper or official mark scheme.
Your answer
Jeff’s skill checklist
Use this checklist to reflect on your work. It is not an official answer or mark scheme.
- Plan a suitable range and enough readings to reveal the relationship.
- Record raw readings with headings, units and a sensible number of decimal places.
- Calculate derived quantities from your readings, showing the substitution and units.