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 = (H/B) dp 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 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal Height displacement of B will be less than that of A Height displacement of A will be less than that of B Height displacement of A and B will be towards each other Height displacement of A and B is equal 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 = vλ C = 1/λv C = λ/v C = v + λ C = vλ C = 1/λv C = λ/v C = v + λ 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? 2, 3 1, 2, 3 1, 2 1, 3 2, 3 1, 2, 3 1, 2 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following statements is correct regarding the GPS satellites? All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The nominal altitude is about 20,200 km The inclination of axis satellite is 55° All of these The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) The nominal altitude is about 20,200 km The inclination of axis satellite is 55° ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by: Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these Cm = 5/√εμ Cm = 1/√8 μ Cm = 1/εμ None of these ANSWER DOWNLOAD EXAMIANS APP
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