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The second order Bragg diffraction of X-...

The second order Bragg diffraction of X-rays with `lambda=1.0 Å` from a set of parallel planes in a metal occurs at an angle `60^(@)`. The distance between the scattering planes in the crystals is

A

`2.00 Å`

B

`1.00 Å`

C

`0.575 Å`

D

`1.15 Å`

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The correct Answer is:
D
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