Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spectral variation Temporal variation Spatial variation None of these Spectral variation Temporal variation Spatial variation None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? Both (A) and (B) The emission of electromagnetic radiation from the target The interaction of the electromagnetic radiation with the target Neither (A) nor (B) Both (A) and (B) The emission of electromagnetic radiation from the target The interaction of the electromagnetic radiation with the target Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is considered to determine the reflectance of a vegetation canopy? All of these Solar zenith angle Azimuth angle Look angle All of these Solar zenith angle Azimuth angle Look angle 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 both the contrast and sharpness Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Increases both the contrast and sharpness Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness 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: Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ ANSWER DOWNLOAD EXAMIANS APP