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 Coherence of two electromagnetic waves takes place if their phase difference is: 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In GPS, receivers are used are; Quartz clocks Atomic clocks Electronic clocks Mechanical clocks Quartz clocks Atomic clocks Electronic clocks Mechanical clocks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is considered to determine the reflectance of a vegetation canopy? All of these Azimuth angle Look angle Solar zenith angle All of these Azimuth angle Look angle Solar zenith angle ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B is equal Height displacement of A and B will be towards each other Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B is equal Height displacement of A and B will be towards each other ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Spatial variation in horizontal and vertical directions is caused due to: Biological weathering of rocks Physical weathering of rocks All of these Chemical weathering of rocks Biological weathering of rocks Physical weathering of rocks All of these Chemical weathering of rocks ANSWER DOWNLOAD EXAMIANS APP
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