Answer :

An increase in which property would cause an electromagnetic wave's energy to increase?

To increase the energy of an electromagnetic wave, the property that would need to increase is the amplitude. Amplitude refers to the maximum height of a wave measured from its midline or resting position. In the case of an electromagnetic wave, such as light, increasing the amplitude means making the wave more intense or carrying more energy.

When the amplitude of an electromagnetic wave increases, it carries more energy per unit of time through a given area. This results in a higher energy wave that can cause more profound effects or interactions when it interacts with matter. For example, brighter light or more penetrating X-rays have higher energy due to their increased amplitudes.

Therefore, if you increase the amplitude of an electromagnetic wave, you effectively increase its energy content as well.

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