Intensty of light is ptopotional to of amplitude
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A few more relationships between amplitude, intensity and power: intensity is proportional to the square of the amplitude. So if the amplitude of a sound is doubled, its intensity is quadrupled. Power is also proportional to amplitude squared. Therefore, power and intensity are proportional to each other.
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intensity is proportional to the square of the amplitude. So if the amplitude of a sound is doubled, its intensity is quadrupled. Power is also proportional to amplitude squared. Therefore, power and intensity are proportional to each other.
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