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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

tan²
sin²
cos²
sec²

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Elements Of Remote Sensing
Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?

C = vλ
C = 1/λv
C = λ/v
C = v + λ

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Elements Of Remote Sensing
The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths:

4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm
2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm
0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm
All of these

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Elements Of Remote Sensing
Which one of the following quantities forms the basis of radiometry?

Radiant energy (Q)
Radiant flux (φ)
All of these
Radiant intensity (I)

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Elements Of Remote Sensing
The coherence length over which there is a strong relationship between amplitudes is;

The square of the bandwidth
None of these
Directly proportional to the bandwidth
Inversely proportional to the bandwidth

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Elements Of Remote Sensing
Orbital radius of GPS satellites is approximately:

18,400 km
36,000 km
15,200 km
26,600 km

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