Isha Lohan posted an Question
July 10, 2020 • 14:34 pm 30 points
  • IIT JAM
  • Physics (PH)

Solve integral

solve integral below , it is given in hc Verma quantum mechanics।

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    Ruby negi Best Answer

    solution...

    cropped-515756852.jpg
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    for any doubt u can ask..

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    this type of limit(a tends to infinity) sinka/ka , u see many times in Physics, one of the example is doing calculation in brillouin zone problems..

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    Bloch theorem etc..

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    these are in solid state Physics.. u see in Quantum Physics too .

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    Chandra prakash

    and most important think is that Fourier transformation of plane wave is Dirac delta function and vice versa.....

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    Chandra prakash

    dear you can solve like this.... read this.... exp(ikx) is plane wave solution.. OK.. then we solve this question by Fourier transforms...and after solving this u get Dirac delta function.. that is solution of prob...

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    is that clear.?

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