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
None of these
The oscillation of charged particles sets up changing electric fields
These are produced by the motion of electric charge

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Elements Of Remote Sensing
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂);

The angle of incidence is equal to the angle of refraction
Neither (A) nor (B)
Both (A) and (B)
The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi

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