The intensity (I) of a source of sound is 10 °Wm . I, = 10 -12 Wm . What is the sound level of 10 sources of sounds? [Hint : Brinal = nBeach] 40 dB 30 dB 80 dB 60 dB
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The intensity (I) of a source of sound is 10 °Wm . I, = 10
Wm . What is the sound level of 10 sources
of sounds? [Hint : Brinal = nBeach]
40 dB
30 dB
80 dB
60 dB](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c939cff-bc46-4066-b22a-d4e55e2c89ab%2F0095061f-0c96-4b5a-88f1-61e9e470faca%2Fbmvv5r_processed.png&w=3840&q=75)
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- 2 Q:A- Calculate the sound level in dB of a sound intensity 10-8 Wm-1. (a) What is the intensity of a sound that has a level 7.5 dB lower than a 4.10-9 Intensity: W m² (b) What is the intensity of a sound that is 2 dB higher than a 4-10-⁹ Intensity: W m² W m² W m² sound? sound?The higher frequency limit for human hearing is 23.9 kHz. If the air temperature is 12.2 °C, the corresponding wavelength (mm; millimeter) of the sound is: