lightintensity中文

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Plants make their own food using photosynthesis. The food that plants produce is important, not only for the plants themselves, but for the other organisms that feed on the plants.

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There is an inverse relationship between distance and light intensity – as the distance increases, light intensity decreases.

This is because as the distance away from a light source increases, photonsclosephotonA packet of energy of light and other forms of electromagnetic radiation. of light become spread over a wider area.

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For each distance of the plant from the lamp, light intensity will be proportional to the inverse of \(d^{2}\), \(d^{2}\) meaning distance squared.

The light intensity is inversely proportionalcloseinversely proportionalA relationship between two variables where as one variable increases, the other variable decreases, eg as the volume doubled, the pressure decreased by half. to the square of the distance – this is the inverse square law.