| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.SL.TZ2.8 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
The graph shows the variation with force F of the extension s of a spring.
The work done in changing the extension of the spring from 3.0 cm to 6.0 cm is
A. 15 N cm.
B. 30 N cm.
C. 45 N cm.
D. 60 N cm.
Markscheme
C
Examiners report
Response B was a common choice in both HL and SL. One can only assume that the candidates were taking half of the total work done from 0 cm to 6.0 cm, rather than looking at the relevant area under the graph.
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