Photosynthetically active radiation (PAR) represents the following range of wave length

400-700 nm

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500-600 nm

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450-950 nm

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340-450 nm

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Solution

The correct option is A 400-700 nm
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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Question 03
Which range of wavelength (in nm) is called Photosynthetically Active Radiation (PAR)?
(a) 100-390 (b) 390-430 (c) 400-700 (d) 760-100,00

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