Determined by the sound source, not by the medium.

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Sharpen your skills for the Davies Publishing SPI Test with targeted flashcards and multiple-choice questions, complete with hints and clarifications. Prepare thoroughly for success!

Multiple Choice

Determined by the sound source, not by the medium.

Explanation:
Frequency is set by the sound source and remains the same as the wave travels through different media. The source determines how many vibrations occur each second, so the frequency is fixed regardless of the medium. When the wave moves into another medium, the speed of sound changes with the material, and the wavelength adjusts to keep the same frequency (since λ = v/f). Attenuation and the actual speed depend on the medium’s properties, not on the source, so they’re not determined by the sound source.

Frequency is set by the sound source and remains the same as the wave travels through different media. The source determines how many vibrations occur each second, so the frequency is fixed regardless of the medium. When the wave moves into another medium, the speed of sound changes with the material, and the wavelength adjusts to keep the same frequency (since λ = v/f). Attenuation and the actual speed depend on the medium’s properties, not on the source, so they’re not determined by the sound source.

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