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: None of these Active sensors Passive sensors Sensors None of these Active sensors Passive sensors Sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The coherence length over which there is a strong relationship between amplitudes is; 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 Directly proportional to the bandwidth The square of the bandwidth ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within 75 km 100 km 50 km 25 km 75 km 100 km 50 km 25 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as: Atmospheric window Ozone hole Ozone window Black hole Atmospheric window Ozone hole Ozone window Black hole ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station Positional accuracies ~ 5 - 10 m if rover is less than 25 km Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station 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
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