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If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be (a) Increasing by a factor of 2 (b) Decreasing by a factor of 2 (c) Decreasing by a factor of 4 (d) Unchanged

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
(a) Increasing by a factor of 2
(b) Decreasing by a factor of 2
(c) Decreasing by a factor of 4
(d) Unchanged

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Dear student

The answer is option c

Regards
Vikas TU
14149 Points
2 years ago
Loudness depends on the square of the amplitude of the wave. Thus, when amplitude of the wave is doubled, the loudness becomes four times.

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