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 = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these Cm = 5/√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 user2. Detection of the GPS signals3. Processing the data in the built-in-computer4. Decoding the GPS signal.The correct sequence of the stages is: 3, 1, 2, 4 2, 3, 4, 1 2, 4, 3, 1 1, 2, 3, 4 3, 1, 2, 4 2, 3, 4, 1 2, 4, 3, 1 1, 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The optical property of a water body depends on: Absorption by the suspended particulate matter Scattering by the suspended particulate matter Absorption by the dissolved material All of these Absorption by the suspended particulate matter Scattering by the suspended particulate matter Absorption by the dissolved material All of these 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: Temporal variation None of these Spatial variation Spectral variation Temporal variation None of these Spatial variation Spectral variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Cloud evolution Snow cover Vegetative cover All of these Cloud evolution Snow cover Vegetative cover All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance All of these Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance All of these Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation ANSWER DOWNLOAD EXAMIANS APP