If the amplitude of a wave is increased, what effect does it have on the energy

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Question: If the amplitude of a wave is increased, what effect does it have on the energy of the wave? (2022)

Options:

Correct Answer: Energy increases

Exam Year: 2022

Solution:

The energy of a wave is proportional to the square of its amplitude. Therefore, if the amplitude increases, the energy also increases.

If the amplitude of a wave is increased, what effect does it have on the energy of the wave? (2022)

If the amplitude of a wave is increased, what effect does it have on the energy of the wave? (2022)

Step 1: Understand what amplitude means. Amplitude is the height of the wave from its rest position.
Step 2: Know that energy in a wave is related to how big the wave is. Bigger waves carry more energy.
Step 3: Learn that energy is proportional to the square of the amplitude. This means if you double the amplitude, the energy increases by four times (2 squared).
Step 4: Conclude that if the amplitude of the wave increases, the energy of the wave also increases.

Wave Energy and Amplitude – The relationship between the amplitude of a wave and its energy, specifically that energy is proportional to the square of the amplitude.