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Lesson1 wave propeti
| Question | Answer |
|---|---|
| Wave | A disturbance that transfers energy from place to place |
| mechanical wave | a wave that requires a medium through which to travel |
| medium | the materials through which a wave travels |
| electromagnetic radiation | the energy transferd through space by electromagnetic waves |
| transverse wave | a wave that moves the medium at right angles to the direction in which the wave travels |
| amplitude | the height of a transverse wave from the center to a crest or trough |
| Longitudinal wave | a wave that moves the medium in a direcatoin in which the wave travels |
| wavelenght | the distance between two corresponding parts of a wave such as the distance between two crest |
| frequency | the number of complete waves that pass a given point in a certain amount of time |
| vacuum | a space that is comeplty empty |
| Crest | the top of a wave |
| Trough | the bottom of a wave |
| node | the resting line of a wave |