Elements Of Remote Sensing Which one of the following geometric errors of satellite sensors is random? Earth rotation Panoramic distortion Altitude variation Scan skew Earth rotation Panoramic distortion Altitude variation Scan skew ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: Planktan All of these Lambert Snell’s law Planktan All of these Lambert Snell’s law 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, 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 Reduces the contrast but increases the sharpness Increases both the contrast and sharpness ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: Spectral variation Temporal variation Spatial variation All of these Spectral variation Temporal variation Spatial variation All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 24,400 km 36,100 km 16,200 km 20,200 km 24,400 km 36,100 km 16,200 km 20,200 km ANSWER DOWNLOAD EXAMIANS APP