Which one of the following geometric errors of satellite sensors is random? Scan skew Altitude variation Panoramic distortion Earth rotation TRUE ANSWER : ? YOUR ANSWER : ?
Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its Five ground stations Six ground stations Four ground stations Three ground stations TRUE ANSWER : ? YOUR ANSWER : ?
The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from: 10-8 to 106 m 10-10 to 1010 m 10-8 to 108 m 10-10 to 106 m TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following residual biases involves the GPS accuracy? All listed here Receiver-dependent biases due to clock stability with line Satellite dependent biases due to uncertainty in the orbital parameters of the satellite Signal propagation biases due to the sphere and troposphere propagation TRUE ANSWER : ? YOUR ANSWER : ?
Leaf reflectance depends primarily on: Equivalent water content All of these Internal cell structure The pigments TRUE ANSWER : ? YOUR ANSWER : ?
Who coined the term, ‘Remote sensing’. None of these Wilbur Wright, an Italian scientist Evelyn L. Pruitt, a geographer Gaspard Felix Tournachon, a French scientist TRUE ANSWER : ? YOUR ANSWER : ?
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: Sound waves Wind waves Electromagnetic waves Electric waves TRUE ANSWER : ? YOUR ANSWER : ?
'A time varying electric field produces a magnetic field.' This phenomenon is called: Hertz's law Ampere Maxwell's law Faraday's law Kirchoff’s law TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct? C = vλ C = 1/λv C = v + λ C = λ/v TRUE ANSWER : ? YOUR ANSWER : ?