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When we change feeble sound to loud sound we increase its - Science

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Question

When we change feeble sound to loud sound we increase its

Options

  • frequency

  • amplitude

  • velocity

  • wavelength

MCQ

Solution

amplitude

Explanation:

As the loudness and softness of sound or intensity of sound are directly proportional to the square of the amplitude of the sound wave, therefore, feeble sound can be changed to loud sound by increasing its amplitude.

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Chapter 12: Sound - Multiple Choice Questions [Page 71]

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NCERT Exemplar Science [English] Class 9
Chapter 12 Sound
Multiple Choice Questions | Q 5. | Page 71
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