Elements Of Remote Sensing The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as: Ozone window Black hole Ozone hole Atmospheric window Ozone window Black hole Ozone hole Atmospheric window 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/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ 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, Increases both the contrast and sharpness Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Increases both the contrast and sharpness Reduces the contrast of the image and also its sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: None of these Sensors Passive sensors Active sensors None of these Sensors Passive sensors Active sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Spatial variation in horizontal and vertical directions is caused due to: Physical weathering of rocks Biological weathering of rocks Chemical weathering of rocks All of these Physical weathering of rocks Biological weathering of rocks Chemical weathering of rocks All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 130 km 250 km 230 km 500 km 130 km 250 km 230 km 500 km ANSWER DOWNLOAD EXAMIANS APP