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: Sensors Active sensors None of these Passive sensors Sensors Active sensors None of these Passive sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared: Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region Visible (0.4 - 0.7 μm) region None of these Near-IR (0.7 - 1.3 μm) region Short wave-IR (1.3 - 2.7 μm) region ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In the given figure the phase of Trough C is 3π/2 Crest A is π/2 All of these B crossing is π Trough C is 3π/2 Crest A is π/2 All of these B crossing is π 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 A and B will be towards each other Height displacement of A will be less than that of B Height displacement of B will be less than that of A Height displacement of A and B is equal Height displacement of A and B will be towards each other Height displacement of A will be less than that of B Height displacement of B will be less than that of A Height displacement of A and B is equal ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as: None of these Fresnel reflection Fresnel refraction Snell's law None of these Fresnel reflection Fresnel refraction Snell's law 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, 3 2, 3 1, 2 1, 3 1, 2, 3 2, 3 1, 2 ANSWER DOWNLOAD EXAMIANS APP
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