1. Waves that can only move through matter are called: mechanical waves. 2. Waves that move through space (vacuum) are called: electromagnetic waves.
A wave can be defined as a disturbance in a medium that progressively transports energy from its source to another location, without the transportation of matter.
In Science (Physics), the two main (2) types of wave include:
- Mechanical wave: it is a wave that can only move through matter because it requires a medium for its propagation. An example of a mechanical wave is sound wave.
- Electromagnetic wave: it is a wave that can travel through an empty space (vacuum) because it does not require a medium for its propagation. An example of a electromagnetic wave is light wave.
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