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

  • question_answer
    Which of the following materials is non crystalline [CBSE PMT 1993]

    A)            Copper                                   

    B)            Sodium chloride

    C)            Wood                                      

    D)            Diamond

    Correct Answer: C

    Solution :

               Wood is non-crystalline.


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