Question:
at a point 10 m from the point source is 20 dB then the
Last updated: 5/30/2023
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at a point 10 m from the point source is 20 dB then the sound level at distance 20 m from the same source will be about a 18 dB b 16 dB c 14 dB d 12 dB 9 Four sources of sound each of sound level 20 dB are sounded together in phase The resultant intensity level will be log10 2 0 3 1 1 100g 0 a 40 dB b 26 dB c 22 dB d 13 dB A 4A I 16A Putr