EXAM CONDITIONS
Your bench has been set out for 9702/31.
Everything on this paper is what the confidential instructions told the technician to put in front of you — the same solutions, the same glassware, labelled exactly as the candidate sees them. You are not told what B, C, D, E or F are. That's the point.
2 tasks · 19 questions · 40 marks
Question 1PRACTICAL
Spring oscillations: series vs parallel stiffness
Time oscillations of a mass on a 'double spring' (two springs in series) and then on two springs in parallel, then vary the mass and plot √T2 against √T1.
0/8 answered
Question 2PRACTICAL
Deformation of paper cylinders
Roll paper into a cylinder, squash it under a spring-loaded mass, and test whether the paper's width relates to the springs' change in length as w = k(y − p).
0/11 answered