CAPE Physics Unit 1 · 2007 (Specimen) · Paper 1 · Question Q39

The above P-V diagram represents a gas being taken through three processes, 1 to 2, 2 to 3 and 3 to 1 to complete the cycle. In which process(es) is work being done ON the gas?

1. (A)1 to 2 and 2 to 3
2. (B)2 to 3 and 3 to 1
3. (C)3 to 1 only
4. (D)2 to 3 only

This question uses a figure or table from the paper — you'll see it when you practise.