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Which one of the following wavelengths of light is most effective...

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Physics
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Which one of the following wavelengths of light is most effective in photosynthesis ?

Answer & Solution
Correct Answer: Option A
The best wavelengths of visible light for photosynthesis fall within the blue range (425–450 nm) and red range (600–700 nm). Therefore, the best light sources for photosynthesis should ideally emit light in the blue and red ranges.
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