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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

cos²
sec²
sin²
tan²

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Elements Of Remote Sensing
The altitudinal distance of a geostationary satellite from the earth is about:

30,000 km
44,000 km
26,000 km
36,000 km

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Elements Of Remote Sensing
Electromagnetic spectrum contains:

Ultraviolet rays (wave length < 10⁻⁶ m)
All of these
Infrared rays (wave length < 10⁻⁴ m)
Gamma rays (wave length < 10⁻¹⁰ m)

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Elements Of Remote Sensing
If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height

h = (H/B) dp
h = (B/H) dp
h = dp/(H/B)
h = dp/(B/H)

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Elements Of Remote Sensing
Who coined the term, ‘Remote sensing’.

Wilbur Wright, an Italian scientist
None of these
Gaspard Felix Tournachon, a French scientist
Evelyn L. Pruitt, a geographer

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Elements Of Remote Sensing
Critical angle of electromagnetic radiation takes place if

Angle of incidence is greater than the angle of refraction
Angle of incidence is equal to angle of refraction
Angle of incidence is equal to 90°
Angle of refraction is equal to 90°

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