Physics · Optics
Which of the following statements about PAR (Photosynthetically Active Radiation) is/are correct? A. PAR includes solar radiation from 400 to 700 nm. B. PAR accounts for approximately 50% of total incoming solar radiation. C. PAR is absorbed mainly in the blue and red regions of the plant spectrum. D. A quantum sensor can be used to measure PAR.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A and B only
- 2A, B, C and D
- 3B and C only
- 4A, C and D only✓
Correct answer
A, C and D only
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