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:

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

2. 

In sun light, water rich in phytoplanktons appears :

A. red
B. green
C. brown
D. blue

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:

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

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