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: Passive sensors None of these Active sensors Sensors Passive sensors None of these Active sensors Sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following quantities forms the basis of radiometry? Radiant flux (φ) Radiant energy (Q) All of these Radiant intensity (I) Radiant flux (φ) Radiant energy (Q) All of these Radiant intensity (I) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is: 2, 4, 3, 1 2, 3, 4, 1 3, 1, 2, 4 1, 2, 3, 4 2, 4, 3, 1 2, 3, 4, 1 3, 1, 2, 4 1, 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Geodimeter is based on: 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 The visible light as carrier with frequency of the order of 5 × 1014 Hz ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Kirchoff’s law Faraday's law Hertz's law Ampere Maxwell's law Kirchoff’s law Faraday's law Hertz's law Ampere Maxwell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? 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 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 ANSWER DOWNLOAD EXAMIANS APP