Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction Angle of incidence is equal to 90° Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is greater than the angle of refraction 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/Δ cos θ 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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Sensor IFOV is proportional to: cos² tan² sec² sin² cos² tan² sec² sin² ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm All of these 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The refractive index of the ocean water: Decreases with salinity Decreases with temperature Increases with temperature Increases with salinity Decreases with salinity Decreases with temperature Increases with temperature Increases with salinity 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 of the image and also its sharpness Increases the contrast of the image but reduces the sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness Reduces the contrast of the image and also its sharpness Increases the contrast of the image but reduces the sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness ANSWER DOWNLOAD EXAMIANS APP