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By decreasing the amplitude of a pure note its:

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Question

By decreasing the amplitude of a pure note its:

Options

  • speed decreases

  • wavelength decreases

  • quality changes

  • loudness decreases

MCQ
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Solution

Loudness decreases

Explanation:

A smaller amplitude means the sound has lower intensity and is heard as less loud. The speed and wavelength do not change just because the amplitude decreases; the quality of a pure note also remains the same.

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Chapter 6: Sound - EXERCISE-3 [Page 137]

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