Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: All of these Planktan Lambert Snell’s law All of these Planktan Lambert Snell’s law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Vegetative cover Cloud evolution Snow cover All of these Vegetative cover Cloud evolution Snow cover All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height h = dp/(H/B) h = dp/(B/H) h = (H/B) dp h = (B/H) dp h = dp/(H/B) h = dp/(B/H) h = (H/B) dp h = (B/H) dp ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here 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 Due to scan geometry of a satellite sensor: 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 The off-nadir resolution is degraded ANSWER DOWNLOAD EXAMIANS APP
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