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Question
The law that relates the fraction of solar radiation (Intensity inside the canopy to intensity at the top of crop canopy) as a exponential function of leaf area index
A.
Lambert’s cosine law
B.
Beer’s law
C.
Monteith law
D.
Stefan’s Boltzmann law
Answer ( Option A)

Lambert’s cosine law

Solution

Lambert’s cosine law states that the radiant intensity (flux per unit solid angle) emitted from a radiating surface or incident on the surface varies as the cosine of the angle between the normal to the surface and direction of the radiation.

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