1. A sounds wave striking a metal is partially reflected and partially transmitted. Is the wavelength in the metal longer or shorter? Explain. 2. The intensity level of a sound is increase by 40 dB. By what factor has the sound intensity increased?

1. A sounds wave striking a metal is partially reflected and partially transmitted. Is the wavelength in the metal longer or shorter? Explain. 2. The intensity level of a sound is increase by 40 dB. By what factor has the sound intensity increased?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 33P: A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels...

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Question

1. A sounds wave striking a metal is partially reflected and partially transmitted. Is the wavelength in the metal
longer or shorter? Explain.
2. The intensity level of a sound is increase by 40 dB. By what factor has the sound intensity increased?

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