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 Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Earth rotation Altitude variation Panoramic distortion Scan skew Earth rotation Altitude variation Panoramic distortion Scan skew 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: Near-IR (0.7 - 1.3 μm) region Visible (0.4 - 0.7 μm) region None of these Short wave-IR (1.3 - 2.7 μm) region Near-IR (0.7 - 1.3 μm) region Visible (0.4 - 0.7 μm) region None of these Short wave-IR (1.3 - 2.7 μm) region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Sun as the source of energy Its own source of energy None of these Flash light as a source of energy Sun as the source of energy Its own source of energy None of these Flash light as a source of energy ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: None of these Constant in space Constant in time Constant in time and space None of these Constant in space Constant in time Constant in time and space ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In the given figure the phase of B crossing is π All of these Trough C is 3π/2 Crest A is π/2 B crossing is π All of these Trough C is 3π/2 Crest A is π/2 ANSWER DOWNLOAD EXAMIANS APP
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