Elements Of Remote Sensing A passive sensor uses: None of these Its own source of energy Flash light as a source of energy Sun as the source of energy None of these Its own source of energy Flash light as a source of energy Sun as the source of energy 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: 230 km 250 km 130 km 500 km 230 km 250 km 130 km 500 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 1/√8 μ None of these Cm = 5/√εμ Cm = 1/εμ Cm = 1/√8 μ None of these Cm = 5/√εμ Cm = 1/εμ 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 Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The object of photo-interpretation is: All of these Recognition of objects Judging the significance of objects Identification All of these Recognition of objects Judging the significance of objects Identification ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: All of these 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 The details towards the edge of the scan get compressed All of these 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 The details towards the edge of the scan get compressed ANSWER DOWNLOAD EXAMIANS APP
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