The second order Bragg diffraction of \( \mathrm{X} \) - Rays with \( \lambda=1.0 \mathrm{~A}^{\...

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The second order Bragg diffraction of \( \mathrm{X} \) - Rays with \( \lambda=1.0 \mathrm{~A}^{\circ} \) from a set of parallel planes in a metal occurs at an angel of \( 60^{\circ} \). The distance between the Scattering planes in the crystal is
(A) \( 0.575 \mathrm{~A}^{\circ} \)
(B) \( 1.00 \mathrm{~A}^{\circ} \)
(C) \( 2.00 \mathrm{~A}^{\circ} \)
(D) \( 1.15 \mathrm{~A}^{\circ} \)
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