Civil Engineering - Elements of Remote Sensing

Exercise :: Elements of Remote Sensing - Section 1

41. 

The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from:

A. 10-10 to 106 m
B. 10-8 to 106 m
C. 10-10 to 1010 m
D. 10-8 to 108 m

Answer: Option A

Explanation:

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42. 

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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43. 

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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44. 

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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45. 

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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