Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: None of these Temporal variation Spectral variation Spatial variation None of these Temporal variation Spectral variation Spatial 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 space2. During successive across-track imaging, the earth rotates beneath the sensor3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 2 1, 3 2, 3 1, 2, 3 1, 2 1, 3 2, 3 1, 2, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height h = (B/H) dp h = dp/(B/H) h = dp/(H/B) h = (H/B) dp h = (B/H) dp h = dp/(B/H) h = dp/(H/B) h = (H/B) dp ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statement is correct? All of these The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation All of these The rate of transfer of radiant energy is called flux and is expressed in watts The radiant energy which falls upon a surface is termed as irradiance Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Sun as the source of energy Its own source of energy Flash light as a source of energy None of these Sun as the source of energy Its own source of energy Flash light as a source of energy None of these 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