| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ1.7 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
Which of the following is an elastic collision?
A. Two railway trucks collide and they link together.
B. Two railway trucks collide and they do not link together.
C. Two gas molecules collide and each changes direction.
D. Two gas molecules collide and a bond is formed between them.
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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