Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Hertz's law Kirchoff’s law Faraday's law Ampere Maxwell's law Hertz's law Kirchoff’s law Faraday's law Ampere Maxwell's law ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called: None of these Neutral remote sensing Active remote sensing Passive remote sensing None of these Neutral remote sensing Active remote sensing Passive remote sensing 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 Directions of both the fields are orthogonal Both (A) and (B) Neither (A) nor (B) Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal Both (A) and (B) Neither (A) nor (B) 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 = λ/v C = v + λ C = 1/λv C = vλ C = λ/v C = v + λ C = 1/λv C = vλ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 230 km 130 km 500 km 250 km 230 km 130 km 500 km 250 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The reflectance from a surface is called specular reflection if it follows: All of these Lambert Snell’s law Planktan All of these Lambert Snell’s law Planktan ANSWER DOWNLOAD EXAMIANS APP