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 = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 3 1, 2 2, 3 1, 2, 3 1, 3 1, 2 2, 3 1, 2, 3 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 tan²θ cos²θ sec²θ sin²θ tan²θ cos²θ sec²θ 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 Electromagnetic waves Electric waves Wind waves Sound waves Electromagnetic waves Electric waves Wind waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following factors does not affect the scale of the air photographs? Focal length None of these Flying height Ground elevation Focal length None of these Flying height Ground elevation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The basic requirement of any sensor system is: Spectral resolution Radiometric resolution Spatial resolution All of these Spectral resolution Radiometric resolution Spatial resolution All of these ANSWER DOWNLOAD EXAMIANS APP
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