JCECE Engineering JCECE Engineering Solved Paper-2009

  • question_answer
    Edge length of a cube is \[400\,\,pm\], its body diagonal would be

    A) \[566\,\,pm\]                   

    B) \[600\,\,pm\]

    C)  \[500\,\,pm\]                  

    D)  \[693\,\,pm\]

    Correct Answer: D

    Solution :

    Length of body diagonal\[=a\sqrt{3}\] where\['a'=\] edge length             \[=400\sqrt{3}=692.82\,\,pm\approx 693\,\,pm\]


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