Elements Of Remote Sensing
The coherence length over which there is a strong relationship between amplitudes is;

Inversely proportional to the bandwidth
Directly proportional to the bandwidth
None of these
The square of the bandwidth

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

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