Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation None of these Spatial variation Spectral variation Temporal variation None of these Spatial variation Spectral variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Reduces the contrast but increases the sharpness Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following helps to identify the objects on the earth surface? Signature None of these Atmospheric window Radiometric error Signature None of these Atmospheric window Radiometric error 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 incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) The angle of incidence is equal to the angle of refraction Both (A) and (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from: 10-10 to 1010 m 10-10 to 106 m 10-8 to 106 m 10-8 to 108 m 10-10 to 1010 m 10-10 to 106 m 10-8 to 106 m 10-8 to 108 m ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic radiation: Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space ANSWER DOWNLOAD EXAMIANS APP