Elements of Remote Sensing - Part 1 Online Exam Quiz
Elements of Remote Sensing - Part 1 GK Quiz. Question and Answers related to Elements of Remote Sensing - Part 1. MCQ (Multiple Choice Questions with answers about Elements of Remote Sensing - Part 1
Which one of the following statements is correct ?
Options
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
The refractive index of the ocean water:
Options
A : increases with salinity
B : increases with temperature
C : decreases with salinity
D : decreases with temperature
The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called :
Options
A : spectral variation
B : spatial variation
C : temporal variation
D : None of these .
The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface, are called :
Options
A : sensonrs
B : passive sensors
C : active sensors
D : None of these
Due to pertubation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its
Options
A : six ground stations
B : five ground stations
C : four ground stations
D : three ground stations
Coherence of two electromagnetic waves takes place if their phase difference is :
Options
A : constant in time
B : constant in space
C : constant in time and space
D : None of these
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,
Options
A : reduces the contrast of the image and also its sharpness
B : increases the contrast of the image but reduces the sharpness
C : increases both the contrast and sharpness
D : reduces the contrast but increases the sharpness
Which one of the following residual biases involves the GPS accuracy ?
Options
A : Satellite dependent baises due to uncertainty in the orbital parameters of the satellite.
B : Receiver-depandent biases due to clock stability with line
C : Signal propagation baises due to the sphere and troposphere propogation.
D : All the above
Pick up the correct definition from the following with response to GIS.
Options
A : Common boundry between two areas of a locality is known as adjacency.
B : The area features which are wholly contained within another area feature, is known so containment.
C : The geometric property which describes the linkage between line features is defined as connectivity.
D : All of these.
Which one of the following errors is produced by platform characteristics of the sensor ?
Options
A : altitude variation
B : altitude
C : orbit drift
D : All of these
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