Civil Engineering :: Elements of Remote Sensing
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The object of photo-intepretation is:
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Pick up the correct statement from the following :
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Which one of the following statement is correct ?
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DGPS is based on the concept that bais errors in the position of locations in a given local area, are same if their distances are within
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The reflectance from a surface is called specular reflection if it follows: .
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The changes in the reflectivity/emis-sivity with time, is called :
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According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on an other medium (refractive index m2);
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Pick up the correct statement from the following:
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Which one of the following factors does not affect the scale of the air photographs :
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While propagating through homogeneous, isotropic media,
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A.
The first man-made satellite, Sputnikl' was launched on 4th October, 1957 |
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B.
The United State's Explorer 6 transmitted the first picture of the earth in August 1959 |
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C.
Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960 |
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D.
U.S.A.'s highly secret mission CORONA started the collection of intelligence photograpy in 1960 |
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E.
All of these. |
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A.
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation |
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B.
The rate of transfer of radiant energy is called flux and is expressed in watts. |
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C.
The radiant energy which falls upon a surface, is termed as irradianc |
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D.
The radiant energy which falls away from the surface is termed as radient exitance and is measured in Wm-2 |
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E.
All of these |
