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6. What type of waves are electromagnetic waves?
- Sound.
- Tranverse.
- Longitudinal.
- Seismic.
7. The amplitude of a wave is...
- The maximum distance of a point on the wave from its rest position.
- How fast a wave travels.
- The distance from a point on one wave to the same point on the next wave
- The number of waves passing a point each second.
8. What is the geocentric model?
- The idea that planets moved in orbits
- A model by Nicholaus Copernicus
- The idea that the earth is the center of everything.
- The idea that the sun is the center of everything.