Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° 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
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 The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 16,200 km 36,100 km 24,400 km 20,200 km 16,200 km 36,100 km 24,400 km 20,200 km 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: Spatial variation Temporal variation Spectral variation None of these Spatial variation Temporal variation Spectral variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following helps to identify the objects on the earth surface? Atmospheric window Radiometric error Signature None of these Atmospheric window Radiometric error Signature None of these ANSWER DOWNLOAD EXAMIANS APP
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