Elements Of Remote Sensing Which one of the following helps to identify the objects on the earth surface? Radiometric error Signature None of these Atmospheric window Radiometric error Signature None of these Atmospheric window ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) The angle of incidence is equal to the angle of refraction Neither (A) nor (B) The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; Directly proportional to the bandwidth The square of the bandwidth Inversely proportional to the bandwidth None of these Directly proportional to the bandwidth The square of the bandwidth Inversely proportional to the bandwidth None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is: 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 3, 1, 2, 4 1, 2, 3, 4 2, 3, 4, 1 2, 4, 3, 1 3, 1, 2, 4 ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The details towards the edge of the scan get compressed All of these The off-nadir resolution is degraded The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir The details towards the edge of the scan get compressed All of these The off-nadir resolution is degraded The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing 'A time varying electric field produces a magnetic field.' This phenomenon is called: Kirchoff’s law Faraday's law Hertz's law Ampere Maxwell's law Kirchoff’s law Faraday's law Hertz's law Ampere Maxwell's law ANSWER DOWNLOAD EXAMIANS APP