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For a cyrstal, the angle of diffraction ...

For a cyrstal, the angle of diffraction `(2 theta)` is `90(@)` and the second order line has a d value of 2.28Å. The wavelength (inÅ) of X-rays used for Bragg's diffraction is

A

1.14

B

`2.00`

C

2.28

D

`4.00`

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