EXAMIANS
If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by:
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The value of energy quantum for radiation of any frequency is proportional to:
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The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
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The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is:
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Coherence of two electromagnetic waves takes place if their phase difference is:
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Earth observations from a satellite platform provide:
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The code based GPS receivers are generally used for:
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Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:
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The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :
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Formation of snow occurs if the cloud temperature is
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