QuestionApril 17, 2026

17. Which wavelength of light was absorbed to the greatest degree in the first investigation? A. 380 nm B. 500 nm C. 740 nm D. 830 nm

17. Which wavelength of light was absorbed to the greatest degree in the first investigation? A. 380 nm B. 500 nm C. 740 nm D. 830 nm
17. Which wavelength of light was absorbed to the greatest degree in the first investigation? A. 380 nm B. 500 nm C. 740 nm D. 830 nm

Solution
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Answer

380 nm Explanation 1. Identify absorption pattern In typical plant pigment absorption, maximum absorption occurs in violet-blue (~380 nm) and red (~740 nm) regions; green (~500 nm) is least absorbed. 2. Select greatest absorption wavelength For the first investigation, data usually show highest peak in violet region → 380 nm.

Explanation

1. Identify absorption pattern <br /> In typical plant pigment absorption, maximum absorption occurs in violet-blue (~380 nm) and red (~740 nm) regions; green (~500 nm) is least absorbed. <br />2. Select greatest absorption wavelength <br /> For the first investigation, data usually show highest peak in violet region → 380 nm.
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