Pick up the correct definition from the following with response to GIS. Common boundary between two areas of a locality is known as adjacency The geometric property which describes the linkage between line features is defined as connectivity The area features which are wholly contained within another area feature, is known so containment All of these TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following residual biases involves the GPS accuracy? Satellite dependent biases due to uncertainty in the orbital parameters of the satellite All listed here Receiver-dependent biases due to clock stability with line Signal propagation biases due to the sphere and troposphere propagation TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statement is incorrect regarding the electromagnetic radiation? The changing electric fields induce the changing magnetic fields in the surrounding medium The oscillation of charged particles sets up changing electric fields These are produced by the motion of electric charge None of these TRUE ANSWER : ? YOUR ANSWER : ?
The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: Sensors Active sensors Passive sensors None of these TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called: Reflectance None of these Reflectance factor Albedo TRUE ANSWER : ? YOUR ANSWER : ?
A passive sensor uses: Flash light as a source of energy None of these Sun as the source of energy Its own source of energy TRUE ANSWER : ? YOUR ANSWER : ?
Formation of snow occurs if the cloud temperature is Below the freezing point At the freezing point None of these Just above the freezing point TRUE ANSWER : ? YOUR ANSWER : ?
'A time varying electric field produces a magnetic field.' This phenomenon is called: Hertz's law Kirchoff’s law Faraday's law Ampere Maxwell's law TRUE ANSWER : ? YOUR ANSWER : ?
The changes in the reflectivity/emissivity with time, is called: Temporal variation Spectral variation Spatial variation None of these TRUE ANSWER : ? YOUR ANSWER : ?