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Elements Of Remote Sensing

Elements Of Remote Sensing
Sensor IFOV is proportional to:

cos²
tan²
sec²
sin²

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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 = v + λ
C = 1/λv
C = vλ
C = λ/v

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Elements Of Remote Sensing
If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by:

Cm = 5/√εμ
Cm = 1/εμ
None of these
Cm = 1/√8 μ

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Elements Of Remote Sensing
The code based GPS receivers are generally used for:

Trans movement
Vehicle tracking
Land navigation
All of these

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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:

2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm
4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm
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
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 areaWhich one of the following statements is/are correct?

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

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