SOUND INTENSITY ???? BAC Exercise ???? Terminale Specialty Physics

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Paul Olivier

Published on Apr 9, 2024
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???? Detailed correction of a BAC 2023 exercise to revise well! ▶️ Playlist ???? DIFFRACTION & INTERFERENCES ???? Terminale Spé: • WAVES, DIFFRACTION & INTERFERENCES ???? ... ???? Chapters 00:00 BAC 2023 exercise - Music festival 00:38 A 1) Formula: sound intensity / sound intensity level 01:30 2) Calculate sound intensity 03:20 3) Calculate sound intensity level 03:55 4) Health risks 04:31 5)6) Geometric attenuation / by absorption 05:29 B 1) Period and frequency 05:29 2) Use a graph (Fletcher and Munson) Subject to download (PDF): https://www.labolycee.org/fete-de-la-... ???? Specialty terminal program Tle: → Sound intensity, reference sound intensity, sound intensity level. → Attenuation (in dB). → Use the expression giving the sound intensity level of a signal. → Illustrate geometric attenuation and attenuation by absorption. → Mathematical ability: Use the decimal logarithm function and its reciprocal function.

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