Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 15,200 km 36,000 km 18,400 km 26,600 km 15,200 km 36,000 km 18,400 km 26,600 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following quantities forms the basis of radiometry? Radiant energy (Q) Radiant intensity (I) Radiant flux (φ) All of these Radiant energy (Q) Radiant intensity (I) Radiant flux (φ) 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: 500 km 230 km 130 km 250 km 500 km 230 km 130 km 250 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Ampere Maxwell's law Faraday's law Hertz's law Kirchoff’s law Ampere Maxwell's law Faraday's law Hertz's law Kirchoff’s law 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: Active sensors Sensors Passive sensors None of these Active sensors Sensors Passive sensors None of these ANSWER DOWNLOAD EXAMIANS APP