If ‘A’ is the amplitude of a soundwave and ‘L’ is the loudness, what will be the loudness if amplitude is made 3A in the same medium
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Answer:
3a
Explanation:
because 3a is the answer
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- Amplitude is the maximum height of either the crust or trough in a sound wave.
- Loudness is directly proportional to the square of amplitude and depends.
If amplitude is A,
loudness = A²
∵If amplitude is 3A
loudness = A²
loudness =(3A)²
loudness = 9A²
Therefore is amplitude is 3A, loudness will be 9A.
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