Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? 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 5-10 km from reference station 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 25 km 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 5-10 km from reference station 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 25 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The refractive index of the ocean water: Increases with salinity Decreases with salinity Decreases with temperature Increases with temperature Increases with salinity Decreases with salinity Decreases with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called: Spectral variation Spatial variation None of these Temporal variation Spectral variation Spatial variation None of these Temporal variation ANSWER DOWNLOAD EXAMIANS APP
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: None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is: 1, 2, 3, 4 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 1, 2, 3, 4 2, 4, 3, 1 3, 1, 2, 4 2, 3, 4, 1 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The radiant energy which falls upon a surface is termed as irradiance All of these The rate of transfer of radiant energy is called flux and is expressed in watts ANSWER DOWNLOAD EXAMIANS APP
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