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

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

The radiant energy which falls upon a surface is termed as irradiance
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
All of these
The rate of transfer of radiant energy is called flux and is expressed in watts

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Elements Of Remote Sensing
Pick up the correct definition from the following with response to GIS.

The area features which are wholly contained within another area feature, is known so containment
All of these
Common boundary between two areas of a locality is known as adjacency
The geometric property which describes the linkage between line features is defined as connectivity

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