Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Both (A) and (B) Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Both (A) and (B) Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h < λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The basic requirement of any sensor system is: Spatial resolution Spectral resolution All of these Radiometric resolution Spatial resolution Spectral resolution All of these Radiometric resolution ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in time and space Constant in space None of these Constant in time Constant in time and space Constant in space None of these Constant in time ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded All of these The details towards the edge of the scan get compressed 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 The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; The square of the bandwidth Inversely proportional to the bandwidth Directly proportional to the bandwidth None of these The square of the bandwidth Inversely proportional to the bandwidth Directly proportional to the bandwidth None of these ANSWER DOWNLOAD EXAMIANS APP
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