Question

What is the range of wavelength in PAR?

Answer 1

Photosynthetically Active Radiation (PAR) is the amount of light available for photosynthesis, which is light in the 400 to 700 nanometer wavelength range.

PAR changes seasonally and varies depending on the latitude and time of day.

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Answer 2

Photosynthetically active radiation (PAR) is light with a wavelength of between 400 and 700 nm, which organisms can use for photosynthesis. PAR makes up roughly 50 % of all light reaching the earth.

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