Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation Spectral variation Spatial variation None of these Temporal variation Spectral variation Spatial variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields None of these These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 30,000 km 44,000 km 26,000 km 36,000 km 30,000 km 44,000 km 26,000 km 36,000 km 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 All of these The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir The details towards the edge of the scan get compressed The off-nadir resolution is degraded All of these The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir 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: Sound waves Wind waves Electric waves Electromagnetic waves Sound waves Wind waves Electric waves Electromagnetic waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 500 km 130 km 250 km 230 km 500 km 130 km 250 km 230 km ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS