Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Altitude Orbit drift Altitude variation All of these Altitude Orbit drift Altitude variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within 25 km 75 km 100 km 50 km 25 km 75 km 100 km 50 km 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
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: Spectral variation Temporal variation Spatial variation All of these Spectral variation Temporal variation Spatial variation All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic spectrum contains: Ultraviolet rays (wave length < 10⁻⁶ m) Gamma rays (wave length < 10⁻¹⁰ m) All of these Infrared rays (wave length < 10⁻⁴ m) Ultraviolet rays (wave length < 10⁻⁶ m) Gamma rays (wave length < 10⁻¹⁰ m) All of these Infrared rays (wave length < 10⁻⁴ m) 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: None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ ANSWER DOWNLOAD EXAMIANS APP