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Civil Engineering - Elements of Remote Sensing

Exercise : Elements of Remote Sensing - Section 1
1.
Which one of the following statements is correct ?
Snow albedo falls at all wave length with the increase of grain size
The effect of grain size on reflection is maximum in the near-IR region
The effect of grain size on reflection is low in the visible region of the spectrum
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The refractive index of the ocean water:
increases with salinity
increases with temperature
decreases with salinity
decreases with temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called :
spectral variation
spatial variation
temporal variation
None of these .
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Electromagnetic radiation :
produces a time varying magnetic field and vice versa
once generated, remains self-propagat-ing.
is capable to travel across space
consists of magnetic and electric fields
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Pick up the important characteristic of a target which facilitates its identification from the following:
spectral variation
spatial variation
temporal variation
polarisation variation
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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