Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation None of these Temporal variation 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); 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) 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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one the following is a correct statement? All of these The vertical section of the soil extending into the parent material, is called profile The layers of the soil parallel to the earth surface are called horizons The transitional layer between two adjoining horizons is called boundary All of these The vertical section of the soil extending into the parent material, is called profile The layers of the soil parallel to the earth surface are called horizons The transitional layer between two adjoining horizons is called boundary ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to: sin²θ tan²θ sec²θ cos²θ sin²θ tan²θ sec²θ cos²θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: All of these Spatial variation Temporal variation Spectral variation All of these Spatial variation Temporal variation Spectral variation 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 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 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 ANSWER DOWNLOAD EXAMIANS APP