Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 26,600 km 15,200 km 18,400 km 36,000 km 26,600 km 15,200 km 18,400 km 36,000 km 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: Active sensors Sensors None of these Passive sensors Active sensors Sensors None of these Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic radiation: Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following quantities forms the basis of radiometry? Radiant flux (φ) Radiant energy (Q) Radiant intensity (I) All of these Radiant flux (φ) Radiant energy (Q) Radiant intensity (I) All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station ANSWER DOWNLOAD EXAMIANS APP
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