Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 15,200 km 18,400 km 36,000 km 26,600 km 15,200 km 18,400 km 36,000 km 26,600 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h > λ/Δ cos θ h < λ/8 cos θ h > λ/8 cos θ h = λ/8 cos θ h > λ/Δ cos θ h < λ/8 cos θ h > λ/8 cos θ h = λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
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: Sensors None of these Active sensors Passive sensors Sensors None of these Active sensors Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Leaf reflectance depends primarily on: All of these Equivalent water content Internal cell structure The pigments All of these Equivalent water content Internal cell structure The pigments ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Ampere Maxwell's law Hertz's law Kirchoff’s law Faraday's law Ampere Maxwell's law Hertz's law Kirchoff’s law Faraday's law 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/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ ANSWER DOWNLOAD EXAMIANS APP