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ELEMENTS OF REMOTE SENSING

Elements Of Remote Sensing
Which one of the following factors does not affect the scale of the air photographs?

Ground elevation
Flying height
Focal length
None of these

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Elements Of Remote Sensing
The optical property of a water body depends on:

Absorption by the dissolved material
Absorption by the suspended particulate matter
All of these
Scattering by the suspended particulate matter

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Elements Of Remote Sensing
The infrared portion of EMR lies between

0.4 - 0.7 μm
0.7 - 1.3 μm
0.7 to 14 μm
0.5 mm to 1 μm

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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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Elements Of Remote Sensing
If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

cos²θ
sin²θ
tan²θ
sec²θ

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