Elements Of Remote Sensing A passive sensor uses: None of these Sun as the source of energy Its own source of energy Flash light as a source of energy None of these Sun as the source of energy Its own source of energy Flash light as a source of energy 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/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Orbit drift Altitude variation Altitude All of these Orbit drift Altitude variation Altitude 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 The angle of incidence is equal to the angle of refraction Neither (A) nor (B) Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi The angle of incidence is equal to the angle of refraction Neither (A) nor (B) Both (A) and (B) 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 is equal 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 B will be less than that of A Height displacement of A and B is equal 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 B will be less than that of A ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In case of reflection and refraction of electromagnetic radiation, Angle of refraction = sum of the angles of incidence and refraction All listed here Angle of incidence = angle of refraction Angle of incidence = angle of reflection Angle of refraction = sum of the angles of incidence and refraction All listed here Angle of incidence = angle of refraction Angle of incidence = angle of reflection ANSWER DOWNLOAD EXAMIANS APP
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