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: None of these Active sensors Sensors Passive sensors None of these Active sensors Sensors Passive sensors 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: 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 The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The basic requirement of any sensor system is: Spectral resolution Spatial resolution All of these Radiometric resolution Spectral resolution Spatial resolution All of these Radiometric resolution ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the correct definition from the following with response to GIS. The area features which are wholly contained within another area feature, is known so containment Common boundary between two areas of a locality is known as adjacency All of these The geometric property which describes the linkage between line features is defined as connectivity The area features which are wholly contained within another area feature, is known so containment Common boundary between two areas of a locality is known as adjacency All of these The geometric property which describes the linkage between line features is defined as connectivity ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? These are produced by the motion of electric charge None of these The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge None of these The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields ANSWER DOWNLOAD EXAMIANS APP
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