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/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Altitude variation Orbit drift Altitude All of these Altitude variation Orbit drift Altitude ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 26,600 km 36,000 km 18,400 km 15,200 km 26,600 km 36,000 km 18,400 km 15,200 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Faraday's law Kirchoff’s law Ampere Maxwell's law Hertz's law Faraday's law Kirchoff’s law Ampere Maxwell's law Hertz's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Its own source of energy None of these Flash light as a source of energy Sun as the source of energy Its own source of energy None of these Flash light as a source of energy Sun as the source of energy ANSWER DOWNLOAD EXAMIANS APP
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