Elements Of Remote Sensing Which one of the following statement is incorrect regarding the electromagnetic radiation? 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 The oscillation of charged particles sets up changing electric fields None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: Spatial variation None of these Spectral variation Temporal variation Spatial variation None of these Spectral variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Increases both the contrast and sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness Reduces the contrast but increases the sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast of the image and also its sharpness ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Directions of both the fields are orthogonal Both (A) and (B) Both the fields are at right angles to the direction of propagation Neither (A) nor (B) Directions of both the fields are orthogonal Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic spectrum contains: Infrared rays (wave length < 10⁻⁴ m) All of these Gamma rays (wave length < 10⁻¹⁰ m) Ultraviolet rays (wave length < 10⁻⁶ m) Infrared rays (wave length < 10⁻⁴ m) All of these Gamma rays (wave length < 10⁻¹⁰ m) Ultraviolet rays (wave length < 10⁻⁶ m) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic radiation: Once generated, remains self-propagating All of these Produces a time varying magnetic field and vice versa Is capable to travel across space Once generated, remains self-propagating All of these Produces a time varying magnetic field and vice versa Is capable to travel across space ANSWER DOWNLOAD EXAMIANS APP
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