A Beam of X Rays of Wavelength 0

question 2

Multiple Choice

A beam of x rays of wavelength 0.10 nm is found to diffract in second order from the face of a LiF crystal at a Bragg angle of 30 ° .The distance between adjacent crystal planes is about:

• A)0.10 nm
• B)0.20 nm
• C)0.25 nm
• D)0.30 nm
• E)0.40 nm

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