Elements Of Remote Sensing
Pick up the correct definition from the following with response to GIS.

The area features which are wholly contained within another area feature, is known so containment
All of these
The geometric property which describes the linkage between line features is defined as connectivity
Common boundary between two areas of a locality is known as adjacency

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Elements Of Remote Sensing
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

The angle of incidence is equal to the angle of refraction
Both (A) and (B)
Neither (A) nor (B)
The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi

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Elements Of Remote Sensing
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

Increases the contrast of the image but reduces the sharpness
Reduces the contrast of the image and also its sharpness
Increases both the contrast and sharpness
Reduces the contrast but increases the sharpness

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