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- Question
Who coined the term, 'Remote sensing'.
Options- A. Evelyn L. Pruitt, a geographer
- B. Gaspard Felix Tournachon, a French scientist
- C. Wilbur Wright, an Italian sciencist
- D. None of these
- Correct Answer
- Evelyn L. Pruitt, a geographer
- 1. Orbital radius of GPS satellites is approximately:
Options- A. 15,200 km
- B. 26,600 km
- C. 18,400 km
- D. 36,000 km Discuss
- 2. Geodimeter is based on :
Options- A. propogation of modulated light waves
- B. propogation of infrared radiation
- C. the visible light as carrier with frequency of the order of 5 x 1014Hz
- D. high frequency radio waves. Discuss
- 3. DGPS is based on the concept that bais errors in the position of locations in a given local area, are same if their distances are within
Options- A. 25 km
- B. 50 km
- C. 75 km
- D. 100 km
- E. 1250 km Discuss
- 4. Pick up the correct statement from the following :
Options- A. Frequency is the number of wave crests passing a fixed point in one second
- B. Frequency of a wave is measured in Hertz (Hz)
- C. Amplitude of a wave is the height of its crust from the mid-point.
- D. The square of the amplitude is proportional to the energy transported by the wave.
- E. All of these Discuss
- 5. Which one of the following statement is correct?
Options- A. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
- B. The rate of transfer of radiant energy is called flux and is expressed in watts.
- C. The radiant energy which falls upon a surface, is termed as irradiance.
- D. The radiant energy which falls away from the surface is termed as radient exitance and is measured in Wm-2
- E. All of these Discuss
- 6. The object of photo-intepretation is:
Options- A. identification
- B. recognition of objects
- C. judging the significance of objects
- D. All of these Discuss
- 7. The optical property of a water body depends on:
Options- A. absorption by the disolved material
- B. absorption by the suspended particulate matter
- C. scattering by the surpended particulate matter
- D. All of these Discuss
- 8. Earth observations from a satellite platform provides :
Options- A. synoptic view of a large area
- B. constant solar zenith angles and similar illumination conditions.
- C. repetitive observations of the same area with intervals of a few minutes to a few weeks
- D. All of these Discuss
- 9. Spatial variation in horizontal and vertical directions, is caused due to :
Options- A. physical weathering of rocks
- B. chemical weathering of rocks
- C. biological'weathering of rocks
- D. All of these Discuss
- 10. A passive sensor uses :
Options- A. sun as the source of energy
- B. flash light as a source of energy
- C. its own source of energy
- D. None of these Discuss
Elements of Remote Sensing problems
Search Results
Correct Answer: 26,600 km
Correct Answer: propogation of modulated light waves
Correct Answer: 100 km
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: sun as the source of energy
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