Elements Of Remote Sensing Which one of the following statement is correct? The radiant energy which falls upon a surface is termed as irradiance The rate of transfer of radiant energy is called flux and is expressed in watts Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation All of these The radiant energy which falls upon a surface is termed as irradiance The rate of transfer of radiant energy is called flux and is expressed in watts Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation All of these 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 Fresnel reflection Snell's law None of these Fresnel refraction Fresnel reflection Snell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The details towards the edge of the scan get compressed The off-nadir resolution is degraded 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 details towards the edge of the scan get compressed The off-nadir resolution is degraded 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 parameters is accurate for DGPS? Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The value of energy quantum for radiation of any frequency is proportional to: The square root of the frequency The square of the frequency The reciprocal of the energy The frequency The square root of the frequency The square of the frequency The reciprocal of the energy The frequency ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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