The optical property of a water body depends on ?

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Which one of the following factors does not affect the scale of the air photographs ?

A. Focal length B. Flying height C. Ground elevation D. None of these...

Which one of the following statements is correct ?

A. Snow albedo falls at all wave length with the increase of grain size B. The effect of grain size on reflection is maximum in the near-IR region C. The effect of grain size on reflection is low in the visible region of the spectrum D. All of these...

Which one of the following residual biases involves the GPS accuracy ?

A. Satellite dependent biases due to uncertainty in the orbital parameters of the satellite B. Receiver -dependent biases due to clock stability with line C. Signal propagation biases due to the sphere and troposphere propagation D. All the above...

Which one of the following geometric errors of satellite sensors is random ?

A. Scan skew B. Panoramic distortion C. Earth rotation D. Altitude variation...

Which one of the following statements is correct ?

A. The function of an information system is to improve one s ability to make decisions B. The information system is the chain of operations C. A map is a collection of stored, analysed data, its stored information is suitability used in making decisions D. All the above...