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:

Fresnel reflection
None of these
Snell's law
Fresnel refraction

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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);

The angle of incidence is equal to the angle of refraction
Neither (A) nor (B)
The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi
Both (A) and (B)

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Elements Of Remote Sensing
Which one the following is a correct statement?

The vertical section of the soil extending into the parent material, is called profile
The transitional layer between two adjoining horizons is called boundary
All of these
The layers of the soil parallel to the earth surface are called horizons

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