| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ2.10 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 10 | Adapted from | N/A |
Question
The graph shows the variation of pressure P with volume V for a gas undergoing an adiabatic expansion.
Which of the following areas correctly identifies the work done by the gas?
A. X
B. X+Z
C. X−Z
D. Z
Markscheme
B
Examiners report
The work done on a gas is the total area under a P-V graph. Many candidates incorrectly opted for response A.
Syllabus sections
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