Shanu Panchal posted an Question
December 12, 2021 • 15:10 pm 30 points
  • IIT JAM
  • Physics (PH)

Solid state

ques 3 - why we are taking 2r= 3.5 .and in ques 4- what is the value of lembda

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  • Dr suman 1 best-answer

    interatomic spacing means that the distance between two bonded atoms or it is the distance between the centre of two atoms.. so radius of one atom is r and other atom is also r, so total distance between two atom is to 2r, that's why it is taken as 2r. question forth, the standard wavelength of X-Ray that is taken as 1.54 angstrom.

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