Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 30,000 km 26,000 km 36,000 km 44,000 km 30,000 km 26,000 km 36,000 km 44,000 km 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 100 km 75 km 25 km 50 km 100 km 75 km 25 km 50 km 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 = 5/√εμ Cm = 1/εμ Cm = 1/√8 μ None of these Cm = 5/√εμ Cm = 1/εμ Cm = 1/√8 μ None of these 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 A perfectly black body: Is a diffuse emitter Absorbs all the radiations of every wave lengths Emits power of every wave length All listed here Is a diffuse emitter Absorbs all the radiations of every wave lengths Emits power of every wave length All listed here 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 All of these Temporal variation Spatial variation Spectral variation All of these Temporal variation Spatial variation ANSWER DOWNLOAD EXAMIANS APP