Civil Engineering - Elements of Remote Sensing
Exercise :: Elements of Remote Sensing - Section 3
1. |
Identification of crops is affected by: |
A. |
the spectral characteristics of the sensor | B. |
the spatial characteristics of the sensor | C. |
the radio metric characteristics of the sensor | D. |
All of these |
Answer: Option D
Explanation:
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2. |
In sun light, water rich in phytoplanktons appears : |
Answer: Option B
Explanation:
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3. |
The semi-infinite snow albedo is proportional to the square root of the grain radius : |
A. |
in the 0.2 to 0.4 μm wave length region | B. |
in the 0.4 to 0.8 μm wave length region | C. |
in the 0.8 to 1.2 μm wave length | D. |
None of these |
Answer: Option B
Explanation:
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4. |
Depending upon the nature of the targeted object and the wave length of the electromagnetic radiation incident on it, the radiation gets : |
A. |
reflected | B. |
absorbed | C. |
re-radiated | D. |
transmitted through | E. |
All of these |
Answer: Option E
Explanation:
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5. |
Which one of the following statements is correct ? |
A. |
Each satellite of the GPS system transmits two L band signals. | B. |
The two L band signals are modulated by the Pseudorandom binary codes (PN). | C. |
The GPS receiver reads the specific code of the satellite. | D. |
The PN code determines the time taken by the receiver to reach the receiver which is converted into distance | E. |
All of these |
Answer: Option E
Explanation:
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