Ashok kumar nehra Asked a Question
February 27, 2021 4:38 pmpts 30 pts
For a three dimensional crystal having N primitive unit cells with a basis of p-atoms , the number of optica branches is:- 1) 3 2) 3p 3) 3p-3 4) 3N-3p
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  • Arulpriya nagaraj
    3p
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  • Anonymous User thankyou
    3p-3
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    Ashok kumar nehra
    pls discuss and explain how
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