Which pair of changes will increase both the loudness and the pitch of a sound produced by a guitar string?

Question

Which pair of changes will increase both the loudness and the pitch of a sound produced by a guitar string? — Exam MCQ

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A. Increasing amplitude and increasing frequency — The correct choice is Increasing amplitude and increasing frequency. Sound behaviour is determined by wave properties such as frequency, amplitude, wavelength and the medium of propagation.

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B. Decreasing amplitude and increasing frequency

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C. Decreasing amplitude and decreasing frequency

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D. Increasing amplitude and decreasing frequency

Which pair of changes will increase both the loudness and the pitch of a sound produced by a guitar string?

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