"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:

Snell's law

None of these

Fresnel reflection

Fresnel refraction

Snell's law

None of these

Fresnel reflection

Fresnel refraction

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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 = 1/εμ

Cm = 1/√8 μ

None of these

Cm = 5/√εμ

Cm = 1/εμ

Cm = 1/√8 μ

None of these

Cm = 5/√εμ

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Elements Of Remote Sensing
If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

tan²θ

sec²θ

cos²θ

sin²θ

tan²θ

sec²θ

cos²θ

sin²θ

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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

C = vλ

C = 1/λv

C = λ/v

C = v + λ

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Elements Of Remote Sensing
A passive sensor uses:

Sun as the source of energy

Its own source of energy

Flash light as a source of energy

None of these

Sun as the source of energy

Its own source of energy

Flash light as a source of energy

None of these

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Elements Of Remote Sensing
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?

Look angle

Azimuth angle

Solar zenith angle

All of these

Look angle

Azimuth angle

Solar zenith angle

All of these

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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 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:

Elements Of Remote Sensing If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

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?

Elements Of Remote Sensing A passive sensor uses:

Elements Of Remote Sensing Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?

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
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:

Elements Of Remote Sensing
If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

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?

Elements Of Remote Sensing
A passive sensor uses:

Elements Of Remote Sensing
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?