The code based GPS receivers are generally used for_________________?

A. Vehicle tracking
B. Land navigation
C. Trans movement
D. All of these

The normal altitude of GPS satellite is about________________?

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

The various stages occuring in GPS system are described below ?

A. 1. generation of an output to the user
B. 2. detection of the gps signals
C. 3. processing the data in the built-in-computer
D. 4. decoding the gps signal

Pick up the correct definition from the following with response to GIS_______________?

A. Common boundary between two areas of a locality is known as adjacency
B. The area features which are wholly contained within another area feature, is known so containment
C. The geometric property which describes the linkage between line features is defined as connectivity
D. All of these

According to the Snell’s law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________?

A. The angle of incidence is equal to the angle of refraction
B. The angle of refraction r) is given by sin i
C. Both a. and b.
D. Neither a. nor b.

Electromagnetic spectrum contains________________?

A. Gamma rays (wave length < 10-10 m)
B. Ultraviolet rays (wave length < 10-6 m)
C. Infrared rays (wave length < 10 -4 m)
D. All of these

Which one of the following quantities forms the basis of radiometry ?

A. Radiant energy (q)
B. Radiant flux (φe )
C. Radiant intensity (i)
D. All of these

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

The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?

A. (0.4 –
B. Near-ir (0.7 –
C. Short wave-ir (1.3 –
D. None of these

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