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?

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, 2

1, 2, 3

1, 3

2, 3

1, 2

1, 2, 3

1, 3

2, 3

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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 = (B/H) dp

h = dp/(H/B)

h = dp/(B/H)

h = (H/B) dp

h = (B/H) dp

h = dp/(H/B)

h = dp/(B/H)

h = (H/B) dp

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Elements Of Remote Sensing
The changes in the reflectivity/emissivity with time, is called:

Spatial variation

None of these

Spectral variation

Temporal variation

Spatial variation

None of these

Spectral variation

Temporal variation

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Elements Of Remote Sensing
"An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:

None of these

Fresnel refraction

Fresnel reflection

Snell's law

None of these

Fresnel refraction

Fresnel reflection

Snell's law

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Elements Of Remote Sensing
Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

h < λ/8 cos θ

h > λ/Δ cos θ

h > λ/8 cos θ

h = λ/8 cos θ

h < λ/8 cos θ

h > λ/Δ cos θ

h > λ/8 cos θ

h = λ/8 cos θ

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Elements Of Remote Sensing
The reflectance from a surface is called specular reflection if it follows:

Planktan

All of these

Snell’s law

Lambert

Planktan

All of these

Snell’s law

Lambert

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Elements Of Remote Sensing

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

Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called:

Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:

Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows:

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

Elements Of Remote Sensing
The changes in the reflectivity/emissivity with time, is called:

Elements Of Remote Sensing
"An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:

Elements Of Remote Sensing
Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

Elements Of Remote Sensing
The reflectance from a surface is called specular reflection if it follows: