According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

Elements Of Remote Sensing
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

Both (A) and (B)

The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi

Neither (A) nor (B)

The angle of incidence is equal to the angle of refraction

Both (A) and (B)

The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi

Neither (A) nor (B)

The angle of incidence is equal to the angle of refraction

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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/8 cos θ

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

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Elements Of Remote Sensing
The basic requirement of any sensor system is:

Spectral resolution

All of these

Spatial resolution

Radiometric resolution

Spectral resolution

All of these

Spatial resolution

Radiometric resolution

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Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

None of these

The changing electric fields induce the changing magnetic fields in the surrounding medium

These are produced by the motion of electric charge

The oscillation of charged particles sets up changing electric fields

None of these

The changing electric fields induce the changing magnetic fields in the surrounding medium

These are produced by the motion of electric charge

The oscillation of charged particles sets up changing electric fields

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Elements Of Remote Sensing
For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:

230 km

500 km

250 km

130 km

230 km

500 km

250 km

130 km

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Elements Of Remote Sensing
Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its

Four ground stations

Three ground stations

Six ground stations

Five ground stations

Four ground stations

Three ground stations

Six ground stations

Five ground stations

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Elements Of Remote Sensing

Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

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

Elements Of Remote Sensing The basic requirement of any sensor system is:

Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation?

Elements Of Remote Sensing For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:

Elements Of Remote Sensing Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its

Elements Of Remote Sensing
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

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

Elements Of Remote Sensing
The basic requirement of any sensor system is:

Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

Elements Of Remote Sensing
For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:

Elements Of Remote Sensing
Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its