Elements Of Remote Sensing The changes in the reflectivity/emissivity with time, is called: None of these Temporal variation Spatial variation Spectral variation None of these Temporal variation Spatial variation Spectral variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic radiation: All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa All of these Once generated, remains self-propagating Is capable to travel across space Produces a time varying magnetic field and vice versa ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In GPS, receivers are used are; Atomic clocks Electronic clocks Mechanical clocks Quartz clocks Atomic clocks Electronic clocks Mechanical clocks Quartz clocks ANSWER DOWNLOAD EXAMIANS APP
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: Passive sensors None of these Sensors Active sensors Passive sensors None of these Sensors Active sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Which one of the following errors is produced by platform characteristics of the sensor? All of these Orbit drift Altitude variation Altitude All of these Orbit drift Altitude variation Altitude 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 Fresnel reflection Snell's law None of these Fresnel refraction Fresnel reflection Snell's law None of these ANSWER DOWNLOAD EXAMIANS APP