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- Question
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.
- Correct Answer
- All of these.
- 1. 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
- 2. Which one of the following is incorrect statement? While passing through the atmosphere, the solar radiation,
Options- A. remains unaffected
- B. gets scattered
- C. gets absorbed partially
- D. None of these Discuss
- 3. Pick up the correct statement from the following:
Options- A. The wave length of gamma rays is 10-10 m
- B. The wave length of radio rays is 106 m
- C. The visible length occupies a small portion of the electromagntic spectrum extending roughly from 0.4 ? m to 0.7?m wave length.
- D. All of these Discuss
- 4. The energy transported by the electromagnetic wave is proportional to :
Options- A. the altitude of the wave
- B. the square of the altitude of the wave
- C. the cube of the altitude of the wave
- D. the square roof of the amplitude Discuss
- 5. Snow albedo is affected by :
Options- A. wave length
- B. grain size
- C. solar zenith angle
- D. snow pack thickness
- E. All of these Discuss
- 6. 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
- 7. In sun-light water poor in phyto plank tons appears :
Options- A. deep blue
- B. red
- C. green
- D. yellow Discuss
- 8. 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
- 9. 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 Discuss
- 10. 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
Elements of Remote Sensing problems
Search Results
Correct Answer: All of these
Correct Answer: remains unaffected
Correct Answer: All of these
Correct Answer: the square of the altitude of the wave
Correct Answer: All of these
Correct Answer: GIS technology is the same as traditional mapping
Correct Answer: deep blue
Correct Answer: 2 L - band frequencies
Correct Answer: All of these
Correct Answer: The near-IR (0.7 - 1.3 ?m) region
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