Physics (AS & A Level) · Feb / March 2017 · Paper 12 · Question 27

A progressive wave is incident normally on a flat reflector. The reflected wave overlaps with the incident wave and a stationary wave is formed. At an antinode, what could be the ratio (displacement of the incident wave)/(displacement of the reflected wave) at any instant?

1. A–1
2. B0
3. C1
4. D2

As printed in the paper