EXAMIANS
Coherence of two electromagnetic waves takes place if their phase difference is:
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The changes in the reflectivity/emissivity with time, is called:
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For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:
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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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Sensor IFOV is proportional to:
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The code based GPS receivers are generally used for:
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Which one of the following statements is correct regarding the GPS satellites?
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"An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:
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While propagating through homogeneous, isotropic media,
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Formation of snow occurs if the cloud temperature is
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