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Vikash raj shrivastava Asked a Question
April 22, 2021 1:16 pmpts 30 pts
The dispersion relation of phonons in solid is given by o(k) = o(3- cos ka- cos ka -cos ka The velocity of the phonons at large wavelength is 25. (A) (B) oa V3 (C) v30,a (D)
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  • Ruby negi Best Answer
    see solution..
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  • Anonymous User thankyou
    See the attachment
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