Alternative to Practical: use the printed diagrams and show construction/graph working. The printed 1(d)(i) table entry has no separate mark; the four graph marks belong to 1(d)(ii) despite a mark-scheme numbering error.
(a)Fig. 4.1 shows the central cylinder of a ribbon reel, about 3 cm in diameter. Fig. 4.2 shows adjustable points A and B on a measuring tool. Describe how to measure the cylinder diameter using it and a ruler.
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[1 mark]
(b)Describe how to measure the diameter of the Fig. 4.1 central cylinder accurately using only a metre rule, pencil, Blu-tack and one metre of thin thread.
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[4 marks]
5054/42/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 4 variant 2 · Question 4