Elements Of Remote Sensing
The coherence length over which there is a strong relationship between amplitudes is;

Directly proportional to the bandwidth
The square of the bandwidth
None of these
Inversely proportional to the bandwidth

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

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

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Elements Of Remote Sensing
Which one of the following statement is correct?

The radiant energy which falls upon a surface is termed as irradiance
All of these
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
The rate of transfer of radiant energy is called flux and is expressed in watts

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Elements Of Remote Sensing
Geodimeter is based on:

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

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