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Pourquoi utilis t-on le niveaux sonor pour exprimer la valeur des son.

By: USER7566
26 Agustus 2025 physique-chimie 5 minutes
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Question

Grade: Education Subject: physique-chimie
Bonjour pouvez-vous m'aider?
Pourquoi utilis t-on le niveaux sonor pour exprimer la valeur des son.
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105 Viewed 105 Answers

Answer (105)

Best Answer
(798)

Réponse :

Pourquoi utilise t-on le niveau sonore pour exprimer la valeur des sons.

QUESTION:

La valeur de la fréquence des sons audibles (humain) peut aller de 20 à 20 000 Hz, ces valeurs sont peu compréhensibles. C'est pourquoi on a établi une autre échelle pour les sons audibles: les décibels dB (qui dérive de l'intensité ou niveau sonore)

Cette échelle permet notamment:

  • d'identifier le seuil de d'audibilité humain
  • de se repérer dans le niveau de danger


Answered on 26 Agustus 2025

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