Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation Spectral variation Spatial variation None of these Temporal variation Spectral variation Spatial variation None of these 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 = vλ C = 1/λv C = λ/v C = v + λ C = vλ C = 1/λv C = λ/v C = v + λ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of A and B is equal Height displacement of A and B will be towards each other Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B is equal Height displacement of A and B will be towards each other Height displacement of B will be less than that of A Height displacement of A will be less than that of B 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
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/8 cos θ 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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following residual biases involves the GPS accuracy? 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 Signal propagation biases due to the sphere and troposphere propagation All listed here ANSWER DOWNLOAD EXAMIANS APP
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