Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: Snell’s law Lambert Planktan All of these Snell’s law Lambert Planktan All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Neither (A) nor (B) Both (A) and (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal Neither (A) nor (B) Both (A) and (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; Directly proportional to the bandwidth The square of the bandwidth Inversely proportional to the bandwidth None of these Directly proportional to the bandwidth The square of the bandwidth Inversely proportional to the bandwidth None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Wind waves Electromagnetic waves Sound waves Electric waves Wind waves Electromagnetic waves Sound waves Electric waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called: Spatial variation None of these Spectral variation Temporal variation Spatial variation None of these Spectral variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: 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 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 ANSWER DOWNLOAD EXAMIANS APP