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

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

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Elements Of Remote Sensing
Earth observations from a satellite platform provide:

All of these
Repetitive observations of the same area with intervals of a few minutes to a few weeks
Synoptic view of a large area
Constant solar zenith angles and similar illumination conditions

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