Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: All of these Lambert Snell’s law Planktan All of these Lambert Snell’s law Planktan 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); The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following frequency regions is a part of sun's radiation? All of these Radio frequency region Ultraviolet frequency region Infrared frequency region All of these Radio frequency region Ultraviolet frequency region Infrared frequency region 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 The refractive index of the ocean water: Increases with salinity Decreases with salinity Increases with temperature Decreases with temperature Increases with salinity Decreases with salinity Increases with temperature Decreases with temperature ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: Reflectance None of these Reflectance factor Albedo Reflectance None of these Reflectance factor Albedo ANSWER DOWNLOAD EXAMIANS APP
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