Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spectral variation Spatial variation Temporal variation None of these Spectral variation Spatial variation Temporal variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The value of energy quantum for radiation of any frequency is proportional to: The square of the frequency The reciprocal of the energy The square root of the frequency The frequency The square of the frequency The reciprocal of the energy The square root of the frequency The frequency ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). 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 h < λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The refractive index of the ocean water: Decreases with salinity Increases with salinity Decreases with temperature Increases with temperature Decreases with salinity Increases with salinity Decreases with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; None of these Inversely proportional to the bandwidth Directly proportional to the bandwidth The square of the bandwidth None of these Inversely proportional to the bandwidth Directly proportional to the bandwidth The square of the bandwidth ANSWER DOWNLOAD EXAMIANS APP
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