Elements Of Remote Sensing
The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:

Passive remote sensing
None of these
Active remote sensing
Neutral remote sensing

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Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

None of these
These are produced by the motion of electric charge
The oscillation of charged particles sets up changing electric fields
The changing electric fields induce the changing magnetic fields in the surrounding medium

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