Find by what percentage does the intensity increase

Reference no: EM13508730

At a rock concert, the engineer decides that the music isn't loud enough. He turns up the amplifiers so that the amplitude of the sound, where you're sitting, increases by 68.0%.

(a) By what percentage does the intensity increase?

(b) How does the intensity level (in dB) change?

Reference no: EM13508730

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