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- Question
Pick up the correct statement from the following:
Options- A. Electromagnetic wave is composed of electric and magnetic fields
- B. Electric and magnetic fields of electromagnetic wave remain mutually orthogonal and transverse to the direction of propagation.
- C. If the electromagnetic wave moves in the z-direction, its electric vector remains in the XY plane along any direction.
- D. Polirization defines the orientation of the fields
- E. All of these
- Correct Answer
- All of these
- 1. The range measurements in GPS are made with :
Options- A. 3 L - band frequencies
- B. 2 L - band frequencies
- C. 2 C - band frequencies
- D. 3 C - band frequencies Discuss
- 2. In sun-light water poor in phyto plank tons appears :
Options- A. deep blue
- B. red
- C. green
- D. yellow Discuss
- 3. Which one of the following statements is not correct?
Options- A. GIS technology is the same as traditional mapping
- B. GIS technology is a tool box for processing maps and fundamental concepts for spatial measurement
- C. GIS technology contains analytic capabilities for overlaying maps
- D. GIS technology is capable to study the environmental surrondings Discuss
- 4. Which one of the following statements is correct to remote sensing?
Options- A. The basic property used to identify objects, is called signature.
- B. The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1
- C. The surface from which emergent radiance is constant in all directions is called Lambertian surface.
- D. All of these. Discuss
- 5. Which one of the following statements is correct?
Options- A. The ratio of the permitivity of a medium and the free space, is called relative permitivity.
- B. Dielectric constant is a pure number and has no dimensions.
- C. The dielectric constant of pure water is 80.
- D. Higher the dielectric constant of a medium, the poorer is its electric conductivity.
- E. All of these Discuss
- 6. In which part of the reflective optical infrared region, the effect of multiple leaves in vegetation canopy is maximum?
Options- A. The near-IR (0.7 - 1.3 ?m) region
- B. The visible (0.4 - 0.7 ?m) region
- C. The short wave IR (1.3 - 2.7 ?m) region
- D. In all the above region Discuss
- 7. Fresh and pure snow reflectance
Options- A. is very high in visible region
- B. falls off steeply in the near-IR region
- C. remains low for longer wave lengths
- D. All of these Discuss
- 8. With the increase of turbidity, the muddy water appears brown due to the shift of the upward radiance peak towards :
Options- A. red
- B. green
- C. yellow
- D. blue Discuss
- 9. Pick up the correct statement from the following:
Options- A. Photography was developed in 1826
- B. Balloons were used as stable platform for aerial photography in 1903
- C. The first aerial photography from an aerocraft was made by Willeur Wright in 1909 in Italy.
- D. All of these Discuss
- 10. A remote sensor photographic camera :
Options- A. responses spectrum up to about 0.9 ?
- B. does not cover short wave IR region
- C. does not cover thermal IR region
- D. All the above Discuss
Elements of Remote Sensing problems
Search Results
Correct Answer: 2 L - band frequencies
Correct Answer: deep blue
Correct Answer: GIS technology is the same as traditional mapping
Correct Answer: All of these.
Correct Answer: All of these
Correct Answer: The near-IR (0.7 - 1.3 ?m) region
Correct Answer: All of these
Correct Answer: red
Correct Answer: All of these
Correct Answer: All the above
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