Elements of Remote Sensing - Section 1

Directions to Solve

Elements of Remote Sensing - Section 1

Questions related to Element of Remote Sensing can be
found here in this section and you will get all necessary MCQs of this field.

1.

Pick up the correct statement from the following:

A.	In remote sensing technique, the observation place, is called a platform
B.	Platforms may be either stationary or mobile
C.	Spatial resolution of the imaging system becomes poorer with increase of platform height.
D.	Area coverage of the imaging system increases with the increase of the platform altitude.
E.	All of these

Answer: Option E

Explanation:

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2.

Pick up the correct statement from the following:

A.	Permeability is a measure of conducting the magnetic lines of force in the material.
B.	Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium.
C.	Permeability is expressed as the ratio of the magnetic flux density (B) to the field strength of the magnetizing field.
D.	The force between the magnetic poles is inversely proportional to the permeability of the medium.
E.	All of these

Answer: Option E

Explanation:

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3.

Pick up the correct statement from the following

A.	The ratio of the up flux and down flux just above the snow surface, is called albedo
B.	Spectral albedo of snow is calculated for the semi-infinite snow thickness
C.	Water equivalent height of snow is the height of water column obtained by melting snow.
D.	A homogeneous snow pack is one whose average grain size does not vary with depth.
E.	All of these

Answer: Option E

Explanation:

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4.

Leaf reflactance depends primarily on :

A.	the pigments
B.	internal cell structure
C.	equivalent water content
D.	All of these

Answer: Option D

Explanation:

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5.

Pick up the correct statement from the following:

A.	The surface defined by the locus of points having same phase, is called a wave front.
B.	The wave whose surface of constant phase are parallel planes, is known as a plane wave.
C.	The relative phase difference between the waves is important and not the absolute phase of a point on the wave
D.	All of these

Answer: Option D

Explanation:

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6.

A reduction of nitrogen nutrient in plants :

A.	affects leaf colour
B.	reduces pigment concentration
C.	increase the visible reflectivity
D.	All of these

Answer: Option D

Explanation:

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7.

Which one of the following parameters is considered to determine the reflectance of a vegetation canopy

A.	Solar zenith angle
B.	Azimuth angle
C.	Look angle
D.	Number and arrangement of leaves
E.	All of these

Answer: Option E

Explanation:

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8.

Pick up the correct statement from the following :

A.	Topology describes the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system
B.	Topological characteristics of an object are independent of scale measurement
C.	The three elements of topology are adjacency, containment, and connectivity
D.	All of these

Answer: Option D

Explanation:

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