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 refraction
Fresnel reflection
None of these
Snell's law

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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
The geometric property which describes the linkage between line features is defined as connectivity
All of these
Common boundary between two areas of a locality is known as adjacency

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Elements Of Remote Sensing
Due to scan geometry of a satellite sensor:

The off-nadir resolution is degraded
The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir
The details towards the edge of the scan get compressed
All of these

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