Which wavelength of light is most effective for photosynthesis? (2020)

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Question: Which wavelength of light is most effective for photosynthesis? (2020)

Options:

Correct Answer: Blue light

Exam Year: 2020

Solution:

Blue light is most effective for photosynthesis as it is absorbed strongly by chlorophyll.

Which wavelength of light is most effective for photosynthesis? (2020)

Which wavelength of light is most effective for photosynthesis? (2020)

Step 1: Understand that photosynthesis is the process plants use to make food using light.
Step 2: Know that chlorophyll is the green pigment in plants that helps absorb light.
Step 3: Learn that different colors of light have different wavelengths.
Step 4: Identify that blue light has a shorter wavelength and is absorbed more effectively by chlorophyll.
Step 5: Conclude that because blue light is absorbed strongly, it is the most effective for photosynthesis.

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