Physics (AS & A Level) · May / June 2019 · Paper 12 · Question 25

In an experiment to determine the wavelength of sound in air, a stationary wave is set up in an air column. The distance between a node and an adjacent antinode is L. What is the wavelength of the sound?

1. A1/2 L
2. BL
3. C2L
4. D4L

As printed in the paper