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For a crystal, the angle of diffraction (20) is $90^{\circ}$ and the second order line has a $\underline d$ value of $2.28 A^{\circ}$.The wavelength (in $A ^{\circ}$) of $X-rays used for Bragg's diffraction is

\[\begin {array} {1 1} (1)\;1.14 & \quad (2)\;2.00 \\ (3)\;2.28 & \quad (4)\;4.00 \end {array}\]

1 Answer

(3) 2.28
answered Nov 7, 2013 by pady_1
 
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