Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Electric waves Wind waves Electromagnetic waves Sound waves Electric waves Wind waves Electromagnetic waves Sound waves 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/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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The maximum sun's radiation occurs around: 0.7 μ wave length 0.55 μ wave length 0.4 μm wave length None of these 0.7 μ wave length 0.55 μ wave length 0.4 μm wave length None of these 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 Constant in space Constant in time and space None of these Constant in time Constant in space Constant in time and space ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The value of energy quantum for radiation of any frequency is proportional to: The reciprocal of the energy The frequency The square root of the frequency The square of the frequency The reciprocal of the energy The frequency The square root of the frequency The square of the frequency ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 26,000 km 36,000 km 44,000 km 30,000 km 26,000 km 36,000 km 44,000 km 30,000 km ANSWER DOWNLOAD EXAMIANS APP
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