Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in space None of these Constant in time and space Constant in time Constant in space None of these Constant in time and space Constant in time ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In GPS, receivers are used are; Electronic clocks Mechanical clocks Atomic clocks Quartz clocks Electronic clocks Mechanical clocks Atomic clocks Quartz clocks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The object of photo-interpretation is: All of these Recognition of objects Identification Judging the significance of objects All of these Recognition of objects Identification Judging the significance of objects 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: None of these Sensors Active sensors Passive sensors None of these Sensors Active sensors Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of A and B will be towards each other Height displacement of A will be less than that of B Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A and B will be towards each other Height displacement of A will be less than that of B Height displacement of A and B is equal Height displacement of B will be less than that of A ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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