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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

cos²
sec²
sin²
tan²

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

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

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Elements Of Remote Sensing
Pick up the important characteristic of a target which facilitates its identification from the following:

Temporal variation
Spectral variation
Spatial variation
All of these

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Elements Of Remote Sensing
The coherence length over which there is a strong relationship between amplitudes is;

The square of the bandwidth
None of these
Directly proportional to the bandwidth
Inversely proportional to the bandwidth

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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:

Fresnel reflection
Snell's law
None of these
Fresnel refraction

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Elements Of Remote Sensing
The infrared portion of EMR lies between

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

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