Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation None of these Temporal 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 None of these Cm = 1/√8 μ Cm = 5/√εμ Cm = 1/εμ None of these Cm = 1/√8 μ Cm = 5/√εμ 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? 1, 3 1, 2 1, 2, 3 2, 3 1, 3 1, 2 1, 2, 3 2, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of A and B will be towards each other Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A will be less than that of B ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? Both (A) and (B) The interaction of the electromagnetic radiation with the target The emission of electromagnetic radiation from the target Neither (A) nor (B) Both (A) and (B) The interaction of the electromagnetic radiation with the target The emission of electromagnetic radiation from the target Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within 50 km 75 km 25 km 100 km 50 km 75 km 25 km 100 km ANSWER DOWNLOAD EXAMIANS APP