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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?

Flying height
Ground elevation
Focal length
None of these

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Elements Of Remote Sensing
A reduction of nitrogen nutrient in plants:

Reduces pigment concentration
Increase the visible reflectivity
All of these
Affects leaf color

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Elements Of Remote Sensing
Which one of the following attributes is not associated with digital maps

Color
South arrow
Legends
Symbology

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

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

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Elements Of Remote Sensing
Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?

C = 1/λv
C = v + λ
C = vλ
C = λ/v

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Elements Of Remote Sensing
"An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:

None of these
Snell's law
Fresnel refraction
Fresnel reflection

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