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Onde

QuestionAnswer
Qu'est- ce qu'une onde ? Une deformation ou une vibration qui se propage dans un milieu bien défini
Comment se représente une onde ? comme une succession de vagues
Quels sont les 3 types d'ondes qui existent ( préciser la déformation ou vibration ) ? ondes mécaniques ( déformations de la matière ) ondes électromagnétiques ( vibrations couplées d'un champ électrique et d'un champ magnétique oscillant à la même fréquence ) ondes gravitationnelles ( déformations de la géométrie de l'espace temps )
Donner 3 exs d'ondes mecaniques son tremblements de terre vagues
Quelles ondes utilisent les échographies ? les ultrasons
Quelles ondes utilisent les IRM ? les ondes magnétiques
Created by: Nat380
 

 



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