What is a single disturbance that moves through a medium called?
- A wave
- A crest
- A pulse
- A node
Show answer and solution
Correct answer: C. A pulse
1. Flicking a stretched rope once sends one bump travelling along it.
2. A single disturbance that moves through a medium is called a pulse.
3. A wave is different because it is a whole train of pulses following one another.
_Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 7: Transverse pulses_