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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