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VIT Engineering VIT Engineering Solved Paper-2014

  • question_answer
    A metal has bcc structure and the edge length of its unit cell is 3.04\[\overset{\circ }{\mathop{\text{A}}}\,\]. The volume of the unit cell in cm 3 will be

    A) \[1.6\times {{10}^{21}}c{{m}^{3}}\]     

    B) \[2.81\times {{10}^{-23}}c{{m}^{3}}\]

    C) \[6.02\times {{10}^{-23}}c{{m}^{3}}\]  

    D) \[6.6\times {{10}^{-24}}c{{m}^{3}}\]

    Correct Answer: B

    Solution :

    Volume of unit cell \[E=4.5+0.9r\] \[r=2.5\Omega \]                          \[{{p}_{1}}={{V}_{1}}{{l}_{1}}\]                               \[{{E}_{t}}={{p}_{1}}{{t}_{1}}\]


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