"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
"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 reflection

Fresnel refraction

Snell's law

None of these

Fresnel reflection

Fresnel refraction

Snell's law

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Elements Of Remote Sensing
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:

Wind waves

Electromagnetic waves

Electric waves

Sound waves

Wind waves

Electromagnetic waves

Electric waves

Sound waves

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Elements Of Remote Sensing
A perfectly black body:

All listed here

Emits power of every wave length

Is a diffuse emitter

Absorbs all the radiations of every wave lengths

All listed here

Emits power of every wave length

Is a diffuse emitter

Absorbs all the radiations of every wave lengths

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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?

1, 3

2, 3

1, 2

1, 2, 3

1, 3

2, 3

1, 2

1, 2, 3

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

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

h < λ/8 cos θ

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Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?

The nominal altitude is about 20,200 km

The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)

All of these

The inclination of axis satellite is 55°

The nominal altitude is about 20,200 km

The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)

All of these

The inclination of axis satellite is 55°

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Elements Of Remote Sensing

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 Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:

Elements Of Remote Sensing A perfectly black body:

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

Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites?

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
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:

Elements Of Remote Sensing
A perfectly black body:

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

Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?