A small stereo amplifier produce a sound of 50 db at a


A small stereo amplifier produce a sound of 50 db at a distance of 20 ft from speaker Used formula sound level = 10.log (I.1012) db If the intensity just found is doubled what happens to the sound level? What must insensitive be to double the sound level to 100 db?

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Physics: A small stereo amplifier produce a sound of 50 db at a
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