Q:

What is the amplitude of a wave?

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Quick Answer

A wave���s amplitude is the distance measured from the rest position to the crest���s top or the trough���s bottom. On a wave diagram, the rest position is the central line. The wave���s crest is at its highest point while the trough is the lowest point.

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Full Answer

The measurement of a wave���s amplitude is an indication of its energy. For example, it requires more energy to produce a bigger amplitude wave. The measurement for the amplitude distance is in meters.

Other important parts of a wave are the wavelength and frequency. The wavelength is the distance in meters measured from one wave���s point to the same point on the subsequent wave. Frequency denotes the number of waves passing a particular point over a given time interval.

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