Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Active sensors Sensors Passive sensors None of these Active sensors Sensors Passive sensors None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: Passive remote sensing Neutral remote sensing Active remote sensing None of these Passive remote sensing Neutral remote sensing Active remote sensing None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: Reflectance factor None of these Reflectance Albedo Reflectance factor None of these Reflectance Albedo ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: Fresnel reflection Fresnel refraction None of these Snell's law Fresnel reflection Fresnel refraction None of these Snell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called: None of these Spatial variation Spectral variation Temporal variation None of these Spatial variation Spectral variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Sun as the source of energy Flash light as a source of energy Its own source of energy None of these Sun as the source of energy Flash light as a source of energy Its own source of energy None of these ANSWER DOWNLOAD EXAMIANS APP