Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 36,000 km 15,200 km 18,400 km 26,600 km 36,000 km 15,200 km 18,400 km 26,600 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir All of these The details towards the edge of the scan get compressed The off-nadir resolution is degraded The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir All of these The details towards the edge of the scan get compressed The off-nadir resolution is degraded ANSWER DOWNLOAD EXAMIANS APP
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); Both (A) and (B) Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = λ/v C = 1/λv C = vλ C = v + λ C = λ/v C = 1/λv C = vλ C = v + λ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? Orbit drift All of these Altitude Altitude variation Orbit drift All of these Altitude Altitude variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: Active remote sensing Neutral remote sensing None of these Passive remote sensing Active remote sensing Neutral remote sensing None of these Passive remote sensing ANSWER DOWNLOAD EXAMIANS APP
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