The altitudinal distance of a geostationary satellite from the earth is about_________________?

Related Mcqs:

1. For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?

   A. Circular orbit
   B. Sun-synchronous orbit
   C. Near polar orbit
   D. None of these

2. Earth observations from a satellite platform provide____________?

   A. Synoptic view of a large area
   B. Constant solar zenith angles and similar illumination conditions
   C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
   D. All of these

3. Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?

   A. Six ground stations
   B. Five ground stations
   C. Four ground stations
   D. Three ground stations

4. The normal altitude of GPS satellite is about________________?

   A. 16,200 km
   B. 20,200 km
   C. 24,400 km
   D. 36,100 km

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?

   A. 1, 2, 3
   B. 1, 3
   C. 2, 3
   D. 1, 2

6. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is_______________?

   A. 8
   B. 12
   C. 16
   D. 24

7. Which one of the following geometric errors of satellite sensors is random ?

   A. Scan skew
   B. Panoramic distortion
   C. Earth rotation
   D. Altitude variation

8. Due to scan geometry of a satellite sensor____________________?

   A. The off-nadir resolution is degraded
   B. The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir
   C. The details towards the edge of the scan get compressed
   D. All of these

9. Which one of the following helps to identify the objects on the earth surface ?

   A. Atmospheric window
   B. Signature
   C. Radiometric error
   D. None of these

10. The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called________________?

    A. Sensors
    B. Passive sensors
    C. Active sensors
    D. None of these