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Of the total incident solar radiation the proportion of PAR is:

Of the total incident solar radiation the proportion of PAR is:

Options

(a) about 70%
(b) about 60%
(c) less than 50%
(d) more than 80%

Correct Answer:

less than 50%

Explanation:

Out of total incident solar radiation, about 50% of it forms Photosynthetically Active Radiation (PAR).

AIPMT2011
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