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 = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Wind waves Electric waves Electromagnetic waves Sound waves Wind waves Electric waves Electromagnetic waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation Propagation of modulated light waves High frequency radio waves The visible light as carrier with frequency of the order of 5 × 1014 Hz Propagation of infrared radiation Propagation of modulated light waves High frequency radio waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements regarding remote sensing is correct? 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) Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic radiation: Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS