Physics · Optics & Radiation
Consider the following statements regarding solar radiation: A. Infrared rays form about 43% of total insolation and are mostly absorbed by water vapour in the lower atmosphere. B. The visible spectrum used in photosynthesis falls between 400-700 nm, known as PAR. C. UV-B rays are completely absorbed by the ozone layer and have no biological effect. D. Red and blue-violet regions are the most absorbed wavelengths in photosynthesis. Which of the above statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B and D only
- 2A and C only
- 3A, B, and D only✓
- 4All of the above
Correct answer
A, B, and D only
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