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

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

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Elements Of Remote Sensing
‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

Height displacement of B will be less than that of A
Height displacement of A and B will be towards each other
Height displacement of A will be less than that of B
Height displacement of A and B is equal

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

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
The area features which are wholly contained within another area feature, is known so containment

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