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 = v + λ C = 1/λv C = λ/v C = vλ C = v + λ C = 1/λv C = λ/v C = vλ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Electromagnetic waves Sound waves Wind waves Electric waves Electromagnetic waves Sound waves Wind waves Electric waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The normal altitude of GPS satellite is about 20,200 km 36,100 km 16,200 km 24,400 km 20,200 km 36,100 km 16,200 km 24,400 km 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 reflection Snell's law Fresnel refraction None of these Fresnel reflection Snell's law Fresnel refraction None of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The optical property of a water body depends on: Absorption by the suspended particulate matter All of these Absorption by the dissolved material Scattering by the suspended particulate matter Absorption by the suspended particulate matter All of these Absorption by the dissolved material Scattering by the suspended particulate matter ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded All of these The details towards the edge of the scan get compressed The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir The off-nadir resolution is degraded All of these The details towards the edge of the scan get compressed 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