Answer :
The loudness will increase by 4.8 dB.
What is loudness ?
The loudness of a sound has a direct relationship with its intensity near the threshold of hearing. It is measured in decibels (dB). The sound level at which a human can hear is roughly equal to 0 decibels, or 0.0000000000001 watts per square meter.
In decibels, the volume of a sound is measured. The decibel level of a sound is calculated using the formula D = 10 log (I/I0), where D is the decibel level (dB), I is its intensity in watts per square meter (W/m2), and I0 = 1012 W/m2 is the intensity of a barely audible "threshold" sound.
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