Elements of Remote Sensing Online Test – Multiple Choice Questions and Answers

1. Orbital radius of GPS satellites is approximately:

 
 
 
 

2. Formation of snow occurs if the cloud temperature is

 
 
 
 

3. The altitudinal distance of a geostationary satelite from the earth is about:

 
 
 
 

4. Which one of the following statement is incorrect regarding the electromagnetic radiation?

 
 
 
 

5. Consider the following statements regarding the satellite imaging : 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed area Which one of the following statements is/are correct ?

 
 
 
 

6. For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length lcoh is:

 
 
 
 

7. In GPS, receivers are used are ;

 
 
 
 

8. Repetitive observations of the same area at equal interval of time, are useful to monitor the dynamic phenomena :

 
 
 
 

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

 
 
 
 

10. For interpolation of satellite data used for monitoring dynamic changes that occure on the earth surface, the most suitable orbit for the satellite is :

 
 
 
 

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