What is amplitude?

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Study for the Academic Decathlon Music Test. Prepare with flashcards and multiple-choice questions, each accompanied by hints and explanations. Ensure you're ready for your exam!

Multiple Choice

What is amplitude?

Explanation:
Amplitude is the height of a wave—the maximum distance any point on the medium moves from its resting position as the wave passes. In a transverse wave this is seen as the height of the crest above rest (and the depth of the trough below rest). It’s not about how fast the wave moves (speed), how far apart crests are (wavelength), or how many cycles occur per second (frequency). Larger amplitude means more energy carried by the wave, which is why amplitude closely relates to how strong or loud the wave feels or looks.

Amplitude is the height of a wave—the maximum distance any point on the medium moves from its resting position as the wave passes. In a transverse wave this is seen as the height of the crest above rest (and the depth of the trough below rest). It’s not about how fast the wave moves (speed), how far apart crests are (wavelength), or how many cycles occur per second (frequency). Larger amplitude means more energy carried by the wave, which is why amplitude closely relates to how strong or loud the wave feels or looks.

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