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Elements Of Remote Sensing

Elements Of Remote Sensing
A passive sensor uses:

Its own source of energy
Flash light as a source of energy
None of these
Sun as the source of energy

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Elements Of Remote Sensing
Which one of the following geometric errors of satellite sensors is random?

Altitude variation
Earth rotation
Panoramic distortion
Scan skew

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Elements Of Remote Sensing
The code based GPS receivers are generally used for:

All of these
Land navigation
Trans movement
Vehicle tracking

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Elements Of Remote Sensing
The optical property of a water body depends on:

Scattering by the suspended particulate matter
Absorption by the dissolved material
Absorption by the suspended particulate matter
All of these

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Elements Of Remote Sensing
The refractive index of the ocean water:

Decreases with temperature
Increases with salinity
Decreases with salinity
Increases with temperature

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Elements Of Remote Sensing
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:

Wind waves
Electromagnetic waves
Electric waves
Sound waves

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