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    Question

    Match list I with list II

    Instrument                          Measured parameter

    A. Pyranometer                  I. Direct solar radiation

    B. Quantam sensor            II. solar radiation in the narrow wave band

    C. Pyroheliometers            III. Incoming solar radiation

    D. Spectroradiometer         IV. PAR

    A A-II, B-IV, C-I, D-III Correct Answer Incorrect Answer
    B A-III, B-I, C-II, D-IV Correct Answer Incorrect Answer
    C A-III, B-1V, C-I, D-II Correct Answer Incorrect Answer
    D A-III, B-IV, C-II, D-I Correct Answer Incorrect Answer

    Solution

    Pyranometer measures incoming solar radiation, Quantam sensor measures PAR (photosynthetically active radiation), Pyroheliometers measures direct solar radiation and Spectroradiometer measures solar radiation in narrow wave bands

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