what does intensity of light mean
So by level of light you probably mean light intensity which is something that can be measured. Light intensity is usually defined as the energy hitting an area over some time period. So in the case of a plant, a higher light intensity means more packets of light called âphotonsâ are hitting the leaves.nswer 5: Click Here to return to the search form. I am not sure what you mean by level of light, but I will answer your question in to ways-in terms of the intensity of light and wavelength of light. Photosynthesis needs water, carbon dioxide, chlorophyll, light, and the right temperature.