Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in space None of these Constant in time and space Constant in time Constant in space None of these Constant in time and space Constant in time ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Synoptic view of a large area Constant solar zenith angles and similar illumination conditions All of these Repetitive observations of the same area with intervals of a few minutes to a few weeks Synoptic view of a large area Constant solar zenith angles and similar illumination conditions All of these Repetitive observations of the same area with intervals of a few minutes to a few weeks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; The square of the bandwidth Directly proportional to the bandwidth Inversely proportional to the bandwidth None of these The square of the bandwidth Directly proportional to the bandwidth Inversely proportional to the bandwidth None of these 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 = vλ C = 1/λv C = v + λ C = λ/v C = vλ C = 1/λv C = v + λ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Faraday's law Ampere Maxwell's law Kirchoff’s law Hertz's law Faraday's law Ampere Maxwell's law Kirchoff’s law Hertz's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? Altitude Orbit drift Altitude variation All of these Altitude Orbit drift Altitude variation All of these ANSWER DOWNLOAD EXAMIANS APP