Elements Of Remote Sensing
A perfectly black body:

Is a diffuse emitter
All listed here
Absorbs all the radiations of every wave lengths
Emits power of every wave length

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

The oscillation of charged particles sets up changing electric fields
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

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