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
The oscillation of charged particles sets up changing electric fields
None of these

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Elements Of Remote Sensing
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

Increases both the contrast and sharpness
Reduces the contrast of the image and also its sharpness
Increases the contrast of the image but reduces the sharpness
Reduces the contrast but increases the sharpness

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Receiver-dependent biases due to clock stability with line
All listed here
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
Signal propagation biases due to the sphere and troposphere propagation

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