Elements Of Remote Sensing The altitudinal distance of a geostationary satellite from the earth is about: 44,000 km 30,000 km 36,000 km 26,000 km 44,000 km 30,000 km 36,000 km 26,000 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these Cm = 1/εμ Cm = 1/√8 μ Cm = 5/√εμ None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness 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 Neither (A) nor (B) Both (A) and (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Neither (A) nor (B) Both (A) and (B) The angle of incidence is equal to the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below:1. Generation of an output to the user2. Detection of the GPS signals3. Processing the data in the built-in-computer4. Decoding the GPS signal.The correct sequence of the stages is: 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 3, 1, 2, 4 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 3, 1, 2, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Synoptic view of a large area All of these Constant solar zenith angles and similar illumination conditions Repetitive observations of the same area with intervals of a few minutes to a few weeks Synoptic view of a large area All of these Constant solar zenith angles and similar illumination conditions Repetitive observations of the same area with intervals of a few minutes to a few weeks ANSWER DOWNLOAD EXAMIANS APP
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