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A sound level meter (SLM) measured 80 dB sound pressure level (SPL) for a sound source at frequency of 1000 Hz. The sound source is in the middle of a field. Based on these; (i) Calculate the wavelength (1) and wave number (k) of the sound source (2 marks) (ii) Calculate the sound pressure, sound intensity and sound intensity level, SIL measured 5 m away from the source. Please note that the SLM is at the same axis from the sound source.

A sound level meter (SLM) measured 80 dB sound pressure level (SPL) for a sound source at frequency of 1000 Hz. The sound source is in the middle of a field. Based on these; (i) Calculate the wavelength (1) and wave number (k) of the sound source (2 marks) (ii) Calculate the sound pressure, sound intensity and sound intensity level, SIL measured 5 m away from the source. Please note that the SLM is at the same axis from the sound source.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A sound level meter (SLM) measured 80 dB sound pressure level (SPL) for a sound source at frequency of 1000 Hz. The sound source is in the middle of a field. Based on these; (i) Calculate the wavelength (1) and wave number (k) of the sound source (2 marks) (ii) Calculate the sound pressure, sound intensity and sound intensity level, SIL measured 5 m away from the source. Please note that the SLM is at the same axis from the sound source.
Transcribed Image Text:A sound level meter (SLM) measured 80 dB sound pressure level (SPL) for a sound source at frequency of 1000 Hz. The sound source is in the middle of a field. Based on these; (i) Calculate the wavelength (1) and wave number (k) of the sound source (2 marks) (ii) Calculate the sound pressure, sound intensity and sound intensity level, SIL measured 5 m away from the source. Please note that the SLM is at the same axis from the sound source.
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