Elements Of Remote Sensing In the given figure the phase of B crossing is π Trough C is 3π/2 All of these Crest A is π/2 B crossing is π Trough C is 3π/2 All of these Crest A is π/2 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here Emits power of every wave length Is a diffuse emitter Absorbs all the radiations of every wave lengths All listed here Emits power of every wave length ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). 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 h > λ/Δ cos θ h = λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following factors does not affect the scale of the air photographs? Ground elevation None of these Flying height Focal length Ground elevation None of these Flying height Focal length ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: None of these Constant in time and space Constant in space Constant in time None of these Constant in time and space Constant in space Constant in time 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 = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these ANSWER DOWNLOAD EXAMIANS APP