Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? Neither (A) nor (B) The interaction of the electromagnetic radiation with the target Both (A) and (B) The emission of electromagnetic radiation from the target Neither (A) nor (B) The interaction of the electromagnetic radiation with the target Both (A) and (B) The emission of electromagnetic radiation from the target ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its Three ground stations Four ground stations Five ground stations Six ground stations Three ground stations Four ground stations Five ground stations Six ground stations ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = 1/λv C = v + λ C = vλ C = λ/v C = 1/λv C = v + λ C = vλ C = λ/v 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: 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h > λ/8 cos θ h > λ/Δ cos θ h < λ/8 cos θ h = λ/8 cos θ h > λ/8 cos θ h > λ/Δ cos θ h < λ/8 cos θ h = λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation Spectral variation Temporal variation None of these Spatial variation Spectral variation Temporal variation None of these ANSWER DOWNLOAD EXAMIANS APP