Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: None of these Temporal variation Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation 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); 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 Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its Three ground stations Five ground stations Four ground stations Six ground stations Three ground stations Five ground stations Four ground stations Six ground stations ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Repetitive observations of the same area with intervals of a few minutes to a few weeks Synoptic view of a large area Constant solar zenith angles and similar illumination conditions All of these Repetitive observations of the same area with intervals of a few minutes to a few weeks Synoptic view of a large area Constant solar zenith angles and similar illumination conditions All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? Altitude Orbit drift Altitude variation All of these Altitude Orbit drift Altitude variation 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 = (B/H) dp h = dp/(B/H) h = (H/B) dp h = dp/(H/B) h = (B/H) dp h = dp/(B/H) h = (H/B) dp h = dp/(H/B) ANSWER DOWNLOAD EXAMIANS APP