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- Question
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
- Correct Answer
- All of these
- 1. 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 Discuss
- 2. '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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. Which one of the following can travel through empty space :
Options- A. sound waves
- B. water waves
- C. electromagnetic waves
- D. spring waves Discuss
- 9. 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
- 10. For accurate position fix, the three satellites:
Options- A. must be along a common arc
- B. must be in vertical line above the receiver
- C. must be widely separated and well distributed
- D. must be such that one satellite is overhead of the receiver and other two widely separated Discuss
Elements of Remote Sensing problems
Search Results
Correct Answer: 5, 2, 3, 1, 4
Correct Answer: Faraday's law
Correct Answer: shorter than 0.3 ?m
Correct Answer: All the above
Correct Answer: All the above
Correct Answer: 2, 1, 3, 4
Correct Answer: All of these
Correct Answer: electromagnetic waves
Correct Answer: both (a) and (b)
Correct Answer: must be widely separated and well distributed
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