Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: 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 Constant in space 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 The optical property of a water body depends on: Absorption by the dissolved material All of these Absorption by the suspended particulate matter Scattering by the suspended particulate matter Absorption by the dissolved material All of these Absorption by the suspended particulate matter Scattering by the suspended particulate matter ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Both (A) and (B) Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Directions of both the fields are orthogonal Both (A) and (B) Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Directions of both the fields are orthogonal ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A perfectly black body: All listed here Is a diffuse emitter Emits power of every wave length Absorbs all the radiations of every wave lengths All listed here Is a diffuse emitter Emits power of every wave length Absorbs all the radiations of every wave lengths ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? The nominal altitude is about 20,200 km All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° The nominal altitude is about 20,200 km All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The inclination of axis satellite is 55° ANSWER DOWNLOAD EXAMIANS APP