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

The details towards the edge of the scan get compressed
All of these
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

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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
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
All of these

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Elements Of Remote Sensing
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

Increases both the contrast and sharpness
Reduces the contrast but increases the sharpness
Increases the contrast of the image but reduces the sharpness
Reduces the contrast of the image and also its sharpness

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