The object of photo-interpretation is__________________? A. Identification B. Recognition of objects C. Judging the significance of objectsD. All of these

Remote sensing techniques make use of the properties of ______________ emitted, reflected or diffracted by the sensed objects? A. Electric waves B. Sound wavesC. Electromagnetic waves D. Wind waves

The altitudinal distance of a geostationary satellite from the earth is about_________________? A. 26,000 km B. 30,000 kmC. 36,000 km D. 44,000 km

Due to scan geometry of a satellite sensor____________________? A. The off-nadir resolution is degraded B. The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir C. The details towards the edge of…

Which one of the following parameters is accurate for DGPS ? A. Positional accuracies ~ 1 – 2 m if rover is less than 1-2 km from the reference station B. Positional accuracies ~ 2 – 5m if rover is…

The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called____________________? A. Passive remote sensingB. Active remote sensing C. Neutral remote sensing D. None of…

The refractive index of the ocean water_______________? A. Increases with salinity B. Increases with temperature C. Decreases with salinity D. Decreases with temperature

The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as__________________? A. Ozone hole B. Atmospheric window C. Ozone window D. Black hole

The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called________________? A. Sensors B. Passive sensorsC. Active sensors D. None of these

Orbital radius of GPS satellites is approximately ___________________? A. 15,200 kmB. 26,600 km C. 18,400 km D. 36,000 km