the loudness of sound is 8 decibel when the amplitude is 2 units. of the amplitude is increased to 8 units find the loudness of sound in decibel
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Answer:
If the amplitude of the sound wave is large, then the sound is said to be loud. It is directly proportional to the square of the amplitude of vibration. If the amplitude of the sound wave becomes double, then the loudness of the sound will be quadrupled.
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Explanation:
loudness= amplitude^2 it is the common formulae.
But here the question should be solved in unitary method.
answer : 40 decible
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