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: Sensors None of these Passive sensors Active sensors Sensors None of these Passive sensors Active sensors ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The most widely used antenna in GPS is Horn antenna Microstrip antenna Parabolic antenna Slotted antenna Horn antenna Microstrip antenna Parabolic antenna Slotted antenna 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: Sound waves Electromagnetic waves Wind waves Electric waves Sound waves Electromagnetic waves Wind waves Electric waves ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Vegetative cover All of these Snow cover Cloud evolution Vegetative cover All of these Snow cover Cloud evolution ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Pick up the important characteristic of a target which facilitates its identification from the following: All of these Spectral variation Spatial variation Temporal variation All of these Spectral variation Spatial variation Temporal variation ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The refractive index of the ocean water: Decreases with salinity Decreases with temperature Increases with temperature Increases with salinity Decreases with salinity Decreases with temperature Increases with temperature Increases with salinity ANSWER DOWNLOAD EXAMIANS APP