Punjab Medical Punjab - MET Solved Paper-2005

  • question_answer
    Excess atmospheric \[C{{O}_{2}}\] increases greenhouse effect as\[C{{O}_{2}}\]:

    A)  precipitates dust in the atmosphere

    B)  reduces atmospheric pressure

    C)  is opaque to infra red rays

    D)  is not opaque to infra red rays

    Correct Answer: C

    Solution :

    \[C{{O}_{2}}\] is opaque to infra-red rays which allow entry of radiations in atmosphere but prevents return of heat in space from earth.


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