Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 44,000 km 30,000 km 26,000 km 36,000 km 44,000 km 30,000 km 26,000 km 36,000 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Directions of both the fields are orthogonal Both (A) and (B) Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal Both (A) and (B) Neither (A) nor (B) Both the fields are at right angles to the direction of propagation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: Spatial variation Temporal variation Spectral variation All of these Spatial variation Temporal variation Spectral variation All of these 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) Both (A) and (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 Neither (A) nor (B) Both (A) and (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 Coherence of two electromagnetic waves takes place if their phase difference is: Constant in time and space None of these Constant in time Constant in space Constant in time and space None of these Constant in time Constant in space ANSWER DOWNLOAD EXAMIANS APP