Question

Photosynthetically Active Radiation(PAR)is (1)5%of incident solar radiation (2)50%of incident solar radiation (3)05%of incident solar radiation (4)99%of incident solar radiation

Answer 1

Answer:

option 1

Explanation:

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Answer 2

Answer:

(2) 50 %

Photosynthetically active radiation or PAR constitutes about 50% of the total incident solar radiation.