Which row correctly describes the vibrations of a longitudinal wave and also gives a correct example of a longitudinal wave?
| Description of vibrations | Example of a longitudinal wave | |
|---|---|---|
| A | Parallel to the direction of travel | Light |
| B | Parallel to the direction of travel | Sound |
| C | At right angles to the direction of travel | Light |
| D | At right angles to the direction of travel | Sound |
Parallel to the direction of travel; light
Parallel to the direction of travel; sound
At right angles to the direction of travel; light
At right angles to the direction of travel; sound
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.