Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation High frequency radio waves Propagation of modulated light waves The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation High frequency radio waves Propagation of modulated light waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? None of these The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge None of these The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; Directly proportional to the bandwidth Inversely proportional to the bandwidth The square of the bandwidth None of these Directly proportional to the bandwidth Inversely proportional to the bandwidth The square of the bandwidth None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Both (A) and (B) Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Both (A) and (B) Directions of both the fields are orthogonal Neither (A) nor (B) Both the fields are at right angles to the direction of propagation 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); The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
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