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- Question
Pick up the correct statement from the following:
Options- A. Permeability is a measure of conducting the magnetic lines of force in the material.
- B. Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium.
- C. Permeability is expressed as the ratio of the magnetic flux density (B) to the field strength of the magnetizing field.
- D. The force between the magnetic poles is inversely proportional to the permeability of the medium.
- E. All of these
- Correct Answer
- All of these
- 1. Which one of the following statements is correct regarding the GPS satellites?
Options- A. The nominal altitude is about 20, 200 km
- B. The inclination of axis satellite is 55°
- C. The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
- D. All of these Discuss
- 2. Pick up the correct definition from the following with response to GIS.
Options- A. Common boundry 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. Discuss
- 3. The value of energy quantum for radiation of any frequency is proportional to :
Options- A. the frequency
- B. the reciprocal of the energy
- C. the square of the frequency
- D. the square root of the frequency Discuss
- 4. In the given figure the phase of
Options- A. crest A is ?/2
- B. B crossing is ?
- C. trough C is 3 ?/2
- D. All of these Discuss
- 5. Pick up the correct statement from the following:
Options- A. The surface defined by the locus of points having same phase, is called a wave front.
- B. The wave whose surface of constant phase are parallel planes, is known as a plane wave.
- C. The relative phase difference between the waves is important and not the absolute phase of a point on the wave
- D. All of these Discuss
- 6. Due to pertubation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its
Options- A. six ground stations
- B. five ground stations
- C. four ground stations
- D. three ground stations Discuss
- 7. Pick up the correct statement from the following
Options- A. The ratio of the up flux and down flux just above the snow surface, is called albedo
- B. Spectral albedo of snow is calculated for the semi-infinite snow thickness
- C. Water equivalent height of snow is the height of water column obtained by melting snow.
- D. A homogeneous snow pack is one whose average grain size does not vary with depth.
- E. All of these Discuss
- 8. Which one of the following frequency regions is a part of sun's radiation?
Options- A. Ultraviolet frequency region
- B. Visible frequency region
- C. Infrared frequency region
- D. Radio frequency region
- E. All of these Discuss
- 9. The coherence length over which there is a strong relationship between amplitudes is;
Options- A. directly proportional to the bandwidth
- B. inversely proportional to the bandwidth
- C. the square of the bandwidth
- D. none of these Discuss
- 10. Leaf reflactance depends primarily on :
Options- A. the pigments
- B. internal cell structure
- C. equivalent water content
- D. All of these Discuss
Elements of Remote Sensing problems
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Correct Answer: All of these
Correct Answer: All of these.
Correct Answer: the frequency
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: five ground stations
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: inversely proportional to the bandwidth
Correct Answer: All of these
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