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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