Waves and Radiation
Why do we talk about light and sound as waves?
- Characteristics of Waves
- Three characteristics of waves can be measured: amplitude, wave-. length and frequency.
- The Electromagnetic Spectrum
- Light is one member of a family of waves called the electromagnetic spectrum.
- Seismic waves
- A seismic wave is a wave that travels through the Earth, often as the result of an earthquake or explosion.
- Sound and Ultrasound
- To begin, it's necessary to understand what sound is before one can understand ultrasound.
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