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 Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 15,200 km 18,400 km 36,000 km 26,600 km 15,200 km 18,400 km 36,000 km 26,600 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: None of these Active sensors Sensors Passive sensors None of these Active sensors Sensors Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared: Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Panoramic distortion Altitude variation Earth rotation Scan skew Panoramic distortion Altitude variation Earth rotation Scan skew ANSWER DOWNLOAD EXAMIANS APP