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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

cos²
sin²
sec²
tan²

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Elements Of Remote Sensing
Consider the following statements regarding the satellite imaging:
1. The satellite orbit is fixed in the inertial space
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?

2, 3
1, 2, 3
1, 3
1, 2

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

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

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Elements Of Remote Sensing
Which one of the following factors does not affect the scale of the air photographs?

Ground elevation
Focal length
None of these
Flying height

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Elements Of Remote Sensing
Pick up the important characteristic of a target which facilitates its identification from the following:

Spectral variation
Spatial variation
Temporal variation
All of these

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Elements Of Remote Sensing
The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:

Neutral remote sensing
None of these
Active remote sensing
Passive remote sensing

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