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Civil Engineering :: Elements of Remote Sensing

  1. The energy transported by the electromagnetic wave is proportional to :

  2. A.

    the altitude of the wave

    B.

    the square of the altitude of the wave

    C.

    the cube of the altitude of the wave

    D.

    the square roof of the amplitude

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  3. Which one of the following is incorrect statement? While passing through the atmosphere, the solar radiation,

  4. A.

    remains unaffected

    B.

    gets scattered

    C.

    gets absorbed partially

    D.

    None of these

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  5. The leaf area index (LAI) is :

  6. A.

    one sided leaf area per unit area of the ground

    B.

    two sided leaf area per -unit area of the ground

    C.

    the average of the two sided area per unit area of the ground

    D.

    None of these

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  7. In sun-light water poor in phyto plank tons appears :

  8. A.

    deep blue

    B.

    red

    C.

    green

    D.

    yellow

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  9. A remote sensor photographic camera :

  10. A.

    responses spectrum up to about 0.9 μ

    B.

    does not cover short wave IR region

    C.

    does not cover thermal IR region

    D.

    All the above

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  11. Pick up the correct statement from to following:

  12. A.

    For complete temporal coherence, the waves must be mono chromatic.

    B.

    For spatial coherence, the phase difference between two points in space is constant with time.

    C.

    Superposition of the coherent waves produce interference

    D.
    With 0 phase difference, the constructive interference takes place.
    E.

    All of these

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  13. Which one of the following statements is not correct?

  14. A.

    GIS technology is the same as traditional mapping

    B.

    GIS technology is a tool box for processing maps and fundamental concepts for spatial measurement

    C.

    GIS technology contains analytic capabilities for overlaying maps

    D.

    GIS technology is capable to study the environmental surrondings

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  15. With the increase of turbidity, the muddy water appears brown due to the shift of the upward radiance peak towards :

  16. A.

    red

    B.

    green

    C.

    yellow

    D.

    blue

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  17. Remote sensing techniques are being usefully employed for the purpose of:

  18. A.
    improving natural resource management
    B.

    land use

    C.

    protection of the environment

    D.

    All of these

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  19. Which one of the following can travel through empty space :

  20. A.

    sound waves

    B.

    water waves

    C.
    electromagnetic waves
    D.

    spring waves

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