If the Interplanar Spacing of NaCl Is 2 $\degree$ B)720 $\degree$ C)205 $\degree$

question 30

Multiple Choice

If the interplanar spacing of NaCl is 2.814 *10^-10 m,what is the predicted angle at which X-rays of wavelength 0.140 nm will be diffracted in a first-order maximum?

• A)31.3 \(\degree\)
• B)7.20 \(\degree\)
• C)20.5 \(\degree\)
• D)14.4 \(\degree\)
• E)29.8 \(\degree\)

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