For a crystal, the angle of diffraction (20) is 90^@ and the second or – InterviewSolution

1.	For a crystal, the angle of diffraction (20) is 90^@ and the second order line has a d value of 2.28 A^@. The wavelength (in A^@) of X-rays used for Bragg's diffraction is
Answer» `1.61Å` `1.14Å` `2.28Å` `2.0Å` ANSWER :A

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