JEE Main & Advanced Physics Semiconducting Devices Question Bank Solids and Crystals

  • question_answer
    What is the net force on a Cl? placed at the centre of the bcc structure of CsCl                    [DCE 2003; AIIMS 2004]

    A)            Zero                                         

    B)            \[k{{e}^{2}}/{{a}^{2}}\]

    C)            \[k{{e}^{2}}{{a}^{2}}\]     

    D)            Data is incomplete

    Correct Answer: A

    Solution :

               The net force on electron placed at the centre of bcc structure is zero. (By the principle of superposition of couloumb forces)


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