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Elements Of Remote Sensing

Elements Of Remote Sensing
The object of photo-interpretation is:

Judging the significance of objects
Identification
All of these
Recognition of objects

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Elements Of Remote Sensing
In case of reflection and refraction of electromagnetic radiation,

Angle of refraction = sum of the angles of incidence and refraction
Angle of incidence = angle of reflection
All listed here
Angle of incidence = angle of refraction

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

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

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Elements Of Remote Sensing
Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

h < λ/8 cos θ
h = λ/8 cos θ
h > λ/8 cos θ
h > λ/Δ cos θ

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Elements Of Remote Sensing
Coherence of two electromagnetic waves takes place if their phase difference is:

Constant in time and space
None of these
Constant in space
Constant in time

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Elements Of Remote Sensing
In the given figure the phase of

Trough C is 3π/2
Crest A is π/2
All of these
B crossing is π

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