If an X-Ray with a Wavelength of 185 Pm Is $\theta$

question 42

Multiple Choice

If an X-ray with a wavelength of 185 pm is diffracted at an angle 2 $\theta$ =16.9, according to the Bragg equation (n $\lambda$ =2 d sin $\theta$ ) , what is the distance between layers of the crystal that give rise to this diffraction? Assume n= 1 in this problem.

• A)610.9 pm
• B)305.5 pm
• C)629.4 pm
• D)1260 pm
• E)198.1 pm

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