Elements Of Remote Sensing
The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:

Neutral remote sensing
Passive remote sensing
None of these
Active remote sensing

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Elements Of Remote Sensing
Geodimeter is based on:

The visible light as carrier with frequency of the order of 5 × 1014 Hz
Propagation of infrared radiation
High frequency radio waves
Propagation of modulated light waves

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

All of these
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
Common boundary between two areas of a locality is known as adjacency

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Receiver-dependent biases due to clock stability with line
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
All listed here
Signal propagation biases due to the sphere and troposphere propagation

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