The energy of a wave is directly related to its amplitude and frequency. Specifically:
- Amplitude: The greater the amplitude, the more energy the wave carries.
- Frequency: The higher the frequency, the more energy the wave has.
In contrast:
- Increasing the wavelength does not necessarily increase energy; in fact, for a wave with constant speed, an increase in wavelength results in a decrease in frequency, which generally lowers the energy.
- Decreasing the amplitude results in lower energy.
- Decreasing the frequency, as mentioned, also results in lower energy.
Given this information, the option that would definitely increase the energy of the wave is:
A. increasing the amplitude of the wave.
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