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 = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: Passive remote sensing Neutral remote sensing Active remote sensing None of these Passive remote sensing Neutral remote sensing Active remote sensing None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? 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 These are produced by the motion of electric charge None of these 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 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 3, 1, 2, 4 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A reduction of nitrogen nutrient in plants: All of these Affects leaf color Reduces pigment concentration Increase the visible reflectivity All of these Affects leaf color Reduces pigment concentration Increase the visible reflectivity 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