Electromagnetic radiation: Once generated, remains self-propagating All of these Produces a time varying magnetic field and vice versa Is capable to travel across space TRUE ANSWER : ? YOUR ANSWER : ?
The various stages occuring in GPS system are described below:<br/>1. Generation of an output to the user<br/>2. Detection of the GPS signals<br/>3. Processing the data in the built-in-computer<br/>4. Decoding the GPS signal.<br/>The correct sequence of the stages is: 2, 4, 3, 1 2, 3, 4, 1 1, 2, 3, 4 3, 1, 2, 4 TRUE ANSWER : ? YOUR ANSWER : ?
Electromagnetic spectrum contains: Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) Ultraviolet rays (wave length < 10⁻⁶ m) All of these TRUE ANSWER : ? YOUR ANSWER : ?
The code based GPS receivers are generally used for: All of these Vehicle tracking Trans movement Land navigation TRUE ANSWER : ? YOUR ANSWER : ?
Due to scan geometry of a satellite sensor: The off-nadir resolution is degraded All of these The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir The details towards the edge of the scan get compressed TRUE ANSWER : ? YOUR ANSWER : ?
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is: Circular orbit Near polar orbit Sun-synchronous orbit None of these TRUE ANSWER : ? YOUR ANSWER : ?
The infrared portion of EMR lies between 0.7 - 1.3 μm 0.5 mm to 1 μm 0.4 - 0.7 μm 0.7 to 14 μm TRUE ANSWER : ? YOUR ANSWER : ?
Spatial variation in horizontal and vertical directions is caused due to: Physical weathering of rocks Chemical weathering of rocks Biological weathering of rocks All of these TRUE ANSWER : ? YOUR ANSWER : ?
A passive sensor uses: Sun as the source of energy Its own source of energy Flash light as a source of energy None of these TRUE ANSWER : ? YOUR ANSWER : ?
Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Vegetative cover Snow cover Cloud evolution All of these TRUE ANSWER : ? YOUR ANSWER : ?