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 = dp/(B/H) h = dp/(H/B) h = (B/H) dp h = (H/B) dp h = dp/(B/H) h = dp/(H/B) h = (B/H) dp h = (H/B) dp ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In GPS, receivers are used are; Mechanical clocks Electronic clocks Quartz clocks Atomic clocks Mechanical clocks Electronic clocks Quartz clocks Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing While propagating through homogeneous, isotropic media, Neither (A) nor (B) Directions of both the fields are orthogonal Both the fields are at right angles to the direction of propagation Both (A) and (B) Neither (A) nor (B) Directions of both the fields are orthogonal Both the fields are at right angles to the direction of propagation Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: None of these Flash light as a source of energy Its own source of energy Sun as the source of energy None of these Flash light as a source of energy Its own source of energy Sun as the source of energy 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, 3 1, 3 1, 2 2, 3 1, 2, 3 1, 3 1, 2 2, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Critical angle of electromagnetic radiation takes place if Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° Angle of incidence is greater than the angle of refraction Angle of refraction is equal to 90° Angle of incidence is equal to angle of refraction Angle of incidence is equal to 90° ANSWER DOWNLOAD EXAMIANS APP
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