Pick up the correct statement from the following ? A. The refractive index of a medium varies according to the wavelength of the radiation, B. The variation of the refractive index with wave length, is called dispersion, C. The splitting…
Geodimeter is based on_________________? A. Propagation of modulated light waves B. Propagation of infrared radiation C. The visible light as carrier with frequency of the order of 5 × 1014 Hz D. High frequency radio waves
While propagating through homogeneous, isotropic media_________________? A. Directions of both the fields are orthogonal B. Both the fields are at right angles to the direction of propagationC. Both A. and B. D. Neither A. nor B.
The code based GPS receivers are generally used for_________________? A. Vehicle tracking B. Land navigation C. Trans movementD. All of these
The normal altitude of GPS satellite is about________________? A. 16,200 kmB. 20,200 km C. 24,400 km D. 36,100 km
The various stages occuring in GPS system are described below ? 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal The correct sequence…
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…
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 refractionB. The angle of refraction r)…
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