Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spectral variation None of these Spatial variation Temporal variation Spectral variation None of these Spatial variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The value of energy quantum for radiation of any frequency is proportional to: The square of the frequency The square root of the frequency The frequency The reciprocal of the energy The square of the frequency The square root of the frequency The frequency The reciprocal of the energy ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded The details towards the edge of the scan get compressed All of these The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir The off-nadir resolution is degraded The details towards the edge of the scan get compressed All of these The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? Signal propagation biases due to the sphere and troposphere propagation All listed here Satellite dependent biases due to uncertainty in the orbital parameters of the satellite Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation All listed here Satellite dependent biases due to uncertainty in the orbital parameters of the satellite Receiver-dependent biases due to clock stability with line 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 = λ/v C = vλ C = 1/λv C = v + λ C = λ/v C = vλ 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: None of these Fresnel refraction Snell's law Fresnel reflection None of these Fresnel refraction Snell's law Fresnel reflection ANSWER DOWNLOAD EXAMIANS APP