Plants and other organisms convert light energy into chemical energy during the photosynthetic process. The chemical energy is stored and later released to facilitate activities essential for the organism. Photosynthesis occurs when light mostly from the sun is absorbed by chlorophyll pigments. The chlorophyll pigments are found in the chloroplasts of plants. The light energy is used in the synthesis of organic compounds, resulting in chemical energy.
Light intensity is a factor that affects the rate of photosynthesis. Experiments and research show that increasing light intensity results in the increase of photosynthetic activity. However, the effect of increasing the rate of photosynthesis by increments in light intensity only lasts up to a certain point, beyond which any further increase in light intensity stops affecting the rate of photosynthesis. On the other hand, the reduction of light intensity has been shown to cause a decrease in the rate of photosynthesis.
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