Elements Of Remote Sensing Which one of the following parameters is accurate for DGPS? Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the 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 ~ 5 - 10 m if rover is less than 5-10 km from reference station Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the 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 ~ 5 - 10 m if rover is less than 5-10 km from reference station 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: Fresnel refraction None of these Fresnel reflection Snell's law Fresnel refraction None of these Fresnel reflection Snell's law 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: Ozone hole Ozone window Black hole Atmospheric window Ozone hole Ozone window Black hole Atmospheric window ANSWER DOWNLOAD EXAMIANS APP
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 = dp/(H/B) h = (B/H) dp h = (H/B) dp h = dp/(B/H) h = dp/(H/B) h = (B/H) dp h = (H/B) dp h = dp/(B/H) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 24,400 km 36,100 km 16,200 km 20,200 km 24,400 km 36,100 km 16,200 km 20,200 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The value of energy quantum for radiation of any frequency is proportional to: The reciprocal of the energy The frequency The square of the frequency The square root of the frequency The reciprocal of the energy The frequency The square of the frequency The square root of the frequency ANSWER DOWNLOAD EXAMIANS APP