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- Question
The main functional blocks of a mul-tispectral scanner (MSS) are given below :
1. Video processor
2. Dispersive system
3. Detector
4. Signal conditioner
5. Collecting optics
Which one of the following sequences is correct?
Options- A. 1, 4, 5, 3, 2
- B. 5, 3, 2, 4, 1
- C. 5, 2, 3, 1, 4
- D. 1, 3, 2, 4, 5
- Correct Answer
- 5, 2, 3, 1, 4
- 1. 'A time varying magnetic field produces an electric field'. This phenomenon is known as
Options- A. Newton's law
- B. Kirchofflaw
- C. Ampere Maxwell law
- D. Faraday's law Discuss
- 2. The maximum absorption of solar radiation due to ozone occurs at wave lengths:
Options- A. shorter than 0.3 ?m
- B. shorter than 0.2 ?m
- C. greater than 0.3 ?m
- D. None of these Discuss
- 3. Snow cover on the earth surface :
Options- A. gives the highest reflectance in the visible spectrum
- B. shows marked variation in its reflectance characteristics
- C. Shows side variation in the grain size
- D. All the above Discuss
- 4. 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
- 5. 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
- 6. Phytoplanktons :
Options- A. are microscopic plants
- B. are the first link in all the aquatic and marine food chains
- C. convert solar energy, dissolved carbon and nitrogen into organic biomass
- D. All of these Discuss
- 7. The information system is the chain of the following operations,
1. Collection of data
2. Planning the observations
3. Analysis of data
4. Decision making process Which one of the chains is correct?
Options- A. 4, 1, 2, 3
- B. 2, 1, 3, 4
- C. 3, 2, 1, 4
- D. 1, 3, 4, 2 Discuss
- 8. Electromagnetic waves are characterised by :
Options- A. frequency
- B. wave length
- C. intensity
- D. direction of travel and plane of polarisation.
- E. All of these Discuss
- 9. Which one of the following can travel through empty space :
Options- A. sound waves
- B. water waves
- C. electromagnetic waves
- D. spring waves Discuss
- 10. The emission of electrons from a metal plate exposed to light depends on the :
Options- A. intensity of the light
- B. frequency of light
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
Elements of Remote Sensing problems
Search Results
Correct Answer: Faraday's law
Correct Answer: shorter than 0.3 ?m
Correct Answer: All the above
Correct Answer: All the above
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: 2, 1, 3, 4
Correct Answer: All of these
Correct Answer: electromagnetic waves
Correct Answer: both (a) and (b)
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