| Date | November 2015 | Marks available | 1 | Reference code | 15N.1.SL.TZ0.17 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
A wave pulse travels along a light string which is attached to a frictionless ring. The ring can move freely up and down a vertical rod.
What is the shape of the wave pulse after reflection?
Markscheme
C
Examiners report
It would seem that many candidates were not familiar with reflection of a wave from a free boundary.
Syllabus sections
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