Elements Of Remote Sensing Coherence of two electromagnetic waves takes place if their phase difference is: Constant in time Constant in space Constant in time and space None of these Constant in time Constant in space Constant in time and space None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Earth observations from a satellite platform provide: Synoptic view of a large area All of these Constant solar zenith angles and similar illumination conditions Repetitive observations of the same area with intervals of a few minutes to a few weeks Synoptic view of a large area All of these Constant solar zenith angles and similar illumination conditions 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 instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Passive sensors Sensors Active sensors None of these Passive sensors Sensors Active sensors None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? The oscillation of charged particles sets up changing electric fields None of these These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields None of these These are produced by the motion of electric charge The changing electric fields induce the changing magnetic fields in the surrounding medium ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: Spatial variation Temporal variation All of these Spectral variation Spatial variation Temporal variation All of these Spectral variation 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
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