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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

sin²
cos²
sec²
tan²

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Elements Of Remote Sensing
The changes in the reflectivity/emissivity with time, is called:

Spectral variation
Spatial variation
None of these
Temporal variation

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Elements Of Remote Sensing
Which one of the following statements regarding remote sensing is correct?

The emission of electromagnetic radiation from the target
Neither (A) nor (B)
Both (A) and (B)
The interaction of the electromagnetic radiation with the target

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

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

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Elements Of Remote Sensing
Which one of the following quantities forms the basis of radiometry?

Radiant energy (Q)
Radiant flux (φ)
Radiant intensity (I)
All of these

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Elements Of Remote Sensing
While propagating through homogeneous, isotropic media,

Both the fields are at right angles to the direction of propagation
Directions of both the fields are orthogonal
Neither (A) nor (B)
Both (A) and (B)

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