Elements Of Remote Sensing Orbital radius of GPS satellites is approximately: 36,000 km 15,200 km 26,600 km 18,400 km 36,000 km 15,200 km 26,600 km 18,400 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = λ/v C = 1/λv C = vλ C = v + λ C = λ/v C = 1/λv C = vλ C = v + λ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is considered to determine the reflectance of a vegetation canopy? Look angle Azimuth angle Solar zenith angle All of these Look angle Azimuth angle Solar zenith angle All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct? 2, 3 1, 2 1, 2, 3 1, 3 2, 3 1, 2 1, 2, 3 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: None of these Temporal variation Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation 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