Discussion
Home ‣ Civil Engineering ‣ Elements of Remote Sensing Comments
- Question
Pick up the incorrect statement regarding the optical infrared region of the electromagnetic spectrum from the following :
Options- A. visible region, 0.4 ?m - 0.7 ?m
- B. short wave infrared region, 0.7 ? m - 1.5 ?m
- C. near infrared region, 1.5 ? m - 3.0 ?m
- D. microwave infrared region, 3.0 ? m - 8.0 ?m
- Correct Answer
- short wave infrared region, 0.7 ? m - 1.5 ?m
- 1. 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
- 2. 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
- 3. Which one of the following can travel through empty space :
Options- A. sound waves
- B. water waves
- C. electromagnetic waves
- D. spring waves Discuss
- 4. 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
- 5. 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
- 6. GPS has been widely recognized as accurate, fast and cost-effective method for the following:
Options- A. Collection of the geographic coordinate data used in GIS
- B. for movement of navigation
- C. For determination of precise orbit and altitude of low earth orbiting satellites
- D. All of these Discuss
- 7. Pick up the correct statement from to following:
Options- A. For complete temporal coherence, the waves must be mono chromatic.
- B. For spatial coherence, the phase difference between two points in space is constant with time.
- C. Superposition of the coherent waves produce interference
- D. With 0 phase difference, the constructive interference takes place.
- E. All of these Discuss
- 8. Polarising angle (i) and refractive index (?) of the reflecting surface are related by:
Options- A. sin i = ?
- B. cos i = ?
- C. tan i = ?
- D.
Discuss
- 9. Identification of crops is affected by:
Options- A. the spectral characteristics of the sensor
- B. the spatial characteristics of the sensor
- C. the radio metric characteristics of the sensor
- D. All of these Discuss
- 10. Which one of the following frequencies is a GPS?
Options- A. L1 with frequency 1520 MHz
- B. L1 with frequency 1575.42 MHz
- C. L1 with frequency 1227.6 MHz
- D. L1 with frequency 1280.43 Hz Discuss
Elements of Remote Sensing problems
Search Results
Correct Answer: must be widely separated and well distributed
Correct Answer: both (a) and (b)
Correct Answer: electromagnetic waves
Correct Answer: All of these
Correct Answer: 2, 1, 3, 4
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: tan i = ?
Correct Answer: All of these
Correct Answer: L1 with frequency 1575.42 MHz
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.