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

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

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Elements Of Remote Sensing
Due to scan geometry of a satellite sensor:

The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir
The off-nadir resolution is degraded
All of these
The details towards the edge of the scan get compressed

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Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?

The nominal altitude is about 20,200 km
All of these
The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
The inclination of axis satellite is 55°

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