Repetition Definition. Repetition is a literary device that repeats the same words or phrases a few times to make an idea clearer. There are several types of repetitions commonly used in both prose and poetry.
Chlorophyll looks green to us because most of the green wavelengths are reflected rather than being absorbed. For this reason, green light is not an effective color of light to power photosynthesis. Chlorophyll a and b together absorb light most effectively in the blue to violet range and the orange to red range.
the wavelengths that are most effective for photosynthesis. In other words, it is the portion of the spectrum that does the work. This is what is most important in plant growth and metabolism. It is important to note that light absorption and light utilization are two different phenomena. 1. What is Absorption Spectrum?