Civil Engineering - Elements of Remote Sensing

Exercise : Elements of Remote Sensing - Section 3
1.
Identification of crops is affected by:
the spectral characteristics of the sensor
the spatial characteristics of the sensor
the radio metric characteristics of the sensor
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
In sun light, water rich in phytoplanktons appears :
red
green
brown
blue
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The semi-infinite snow albedo is proportional to the square root of the grain radius :
in the 0.2 to 0.4 μm wave length region
in the 0.4 to 0.8 μm wave length region
in the 0.8 to 1.2 μm wave length
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Depending upon the nature of the targeted object and the wave length of the electromagnetic radiation incident on it, the radiation gets :
reflected
absorbed
re-radiated
transmitted through
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Which one of the following statements is correct ?
Each satellite of the GPS system transmits two L band signals.
The two L band signals are modulated by the Pseudorandom binary codes (PN).
The GPS receiver reads the specific code of the satellite.
The PN code determines the time taken by the receiver to reach the receiver which is converted into distance
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.