Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2014)

  • question_answer
    Greenhouse gas is

    A)  \[C{{O}_{2}}\]                    

    B)  \[{{O}_{2}}\]      

    C)  \[{{H}_{2}}\]                       

    D)  \[{{N}_{2}}\]

    Correct Answer: A

    Solution :

    The gases which trap the higher wavelength IR radiation going outside from the Earth and thus maintaining the Earth temperature are called greenhouse gases e.g., \[C{{O}_{2}},\,C{{H}_{4}}\]water vapours etc.


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