What will br the spl of the sound heard by the listener
Two sound of 4W and 10W power are produced at ground level at a distance of 10m and 20m respectively from a listener. If the ground is level, unobstructed and non-absorbing, what will br the SPL of the sound heard by the listener?
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Two sound of 4W and 10W power are produced at ground level at a distance of 10m and 20m respectively from a listener.
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