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

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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
All of these
The rate of transfer of radiant energy is called flux and is expressed in watts
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation

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