Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is greater than the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: None of these Neutral remote sensing Active remote sensing Passive remote sensing None of these Neutral remote sensing Active remote sensing Passive remote sensing 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
Elements Of Remote Sensing The object of photo-interpretation is: Recognition of objects All of these Identification Judging the significance of objects Recognition of objects All of these Identification Judging the significance of objects 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 If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to: sin²θ cos²θ sec²θ tan²θ sin²θ cos²θ sec²θ tan²θ ANSWER DOWNLOAD EXAMIANS APP
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