Civil Engineering - Elements of Remote Sensing

Exercise :: Elements of Remote Sensing - Section 2

21. 

The optical property of a water body depends on:

A. absorption by the disolved material
B. absorption by the suspended particulate matter
C. scattering by the surpended particulate matter
D. All of these

Answer: Option D

Explanation:

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22. 

Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:

A. USA
B. European Union
C. Russia
D. India

Answer: Option D

Explanation:

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23. 

Electromagnetic spectrum contains :

A. gamma rays (wave length < 10-10 m)
B. ultraviolet rays (wave length < 10-6 m)
C. infrared rays (wave length < 10-4 m)
D. radio rays (wave length > 1 m)
E. All of these

Answer: Option E

Explanation:

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24. 

The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:

A. reflectance
B. reflectance factor
C. albedo
D. none of these

Answer: Option C

Explanation:

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25. 

Spatial variation in horizontal and vertical directions, is caused due to :

A. physical weathering of rocks
B. chemical weathering of rocks
C. biological'weathering of rocks
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.