Elements Of Remote Sensing
The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared:

Short wave-IR (1.3 - 2.7 μm) region
Visible (0.4 - 0.7 μm) region
Near-IR (0.7 - 1.3 μm) region
None of these

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Elements Of Remote Sensing
Which one of the following statement is correct?

All of these
The rate of transfer of radiant energy is called flux and is expressed in watts
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
The radiant energy which falls upon a surface is termed as irradiance

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Elements Of Remote Sensing
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

Both (A) and (B)
The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi
Neither (A) nor (B)
The angle of incidence is equal to the angle of refraction

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