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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