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 carried by the wave? (2019)

Options:

Correct Answer: Energy increases

Exam Year: 2019

Solution:

The energy carried by 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 carried by the wave? (2019)

If the amplitude of a wave is increased, what effect does it have on the energy carried by the wave? (2019)

Step 1: Understand what amplitude means. Amplitude is the height of the wave from its rest position.
Step 2: Know that energy is related to amplitude. The energy carried by a wave depends on how tall the wave is.
Step 3: Learn the relationship between amplitude and energy. The energy is proportional to the square of the amplitude. This means if you double the amplitude, the energy increases by four times.
Step 4: Conclude that if the amplitude increases, the energy carried by the wave also increases.

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