Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Electromagnetic waves Electric waves Wind waves Sound waves Electromagnetic waves Electric waves Wind waves Sound waves 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 All of these Altitude variation Altitude Orbit drift All of these Altitude variation 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 Constant in space Constant in time None of these Constant in time and space Constant in space Constant in time None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 1 - 2 m if rover is less than 1-2 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 ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 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 ~ 2 - 5 m if rover is less than 2-5 km from the reference station 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: Albedo Reflectance factor None of these Reflectance Albedo Reflectance factor None of these Reflectance ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Directions of both the fields are orthogonal Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Both (A) and (B) Directions of both the fields are orthogonal Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP