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  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-35

  • question_answer
    Why is sound heard with more intensity through \[C{{O}_{2}}\] than through the of air?

    A)  Density of \[C{{O}_{2}}\]is more than that of air

    B)  Density of\[C{{O}_{2}}\]is less than that of air

    C)  Air is a bad conductor of heat

    D)  \[C{{O}_{2}}\]is a compound but air is a mixture of gases

    Correct Answer: A

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