What is the term for the amount of energy a wave carries?

Prepare for the Earth Science Test on Earth's Waters. Study with interactive flashcards and multiple-choice questions, with hints and detailed explanations. Get ready to excel on your exam!

Multiple Choice

What is the term for the amount of energy a wave carries?

Explanation:
Energy carried by a wave grows with how big the oscillations are. That “bigness” is the amplitude—the maximum displacement from rest. In many wave systems, energy is proportional to the square of this displacement, so increasing amplitude makes the wave carry more energy (doubling the amplitude makes the energy increase by a factor of four). Among the options, amplitude best describes how much energy the wave is moving. The crest is just the top point of the wave, wavelength is the spacing between peaks, and frequency is how often the wave cycles per second.

Energy carried by a wave grows with how big the oscillations are. That “bigness” is the amplitude—the maximum displacement from rest. In many wave systems, energy is proportional to the square of this displacement, so increasing amplitude makes the wave carry more energy (doubling the amplitude makes the energy increase by a factor of four). Among the options, amplitude best describes how much energy the wave is moving. The crest is just the top point of the wave, wavelength is the spacing between peaks, and frequency is how often the wave cycles per second.

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