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 sun's light is white, but the water droplets break it up into seven different colours, always in this order: RED. ORANGE. YELLOW. GREEN . BLUE. INDIGO. VIOLET. There is an easy way to remember them (a mnemonic): - Richard Of York Gave Battle In Vain. These colours are the visible part of the sun's radiation. But there are many other parts that are not visible to the human eye. For example: - immediately below red is infraRED - immediately beyond violet is ultraVIOLET (UV) You can see more about colours here.