Elements Of Remote Sensing In the given figure the phase of Crest A is π/2 All of these Trough C is 3π/2 B crossing is π Crest A is π/2 All of these Trough C is 3π/2 B crossing is π ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Temporal variation Spatial variation None of these Spectral variation Temporal variation Spatial variation None of these Spectral variation 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 = v + λ C = λ/v C = vλ C = 1/λv C = v + λ C = λ/v ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The optical property of a water body depends on: Absorption by the dissolved material Scattering by the suspended particulate matter All of these Absorption by the suspended particulate matter Absorption by the dissolved material Scattering by the suspended particulate matter All of these Absorption by the suspended particulate matter ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: All of these Spatial variation Temporal variation Spectral variation All of these Spatial variation Temporal variation Spectral variation ANSWER DOWNLOAD EXAMIANS APP
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