The Lattice Spacing of the Principal Bragg Planes in Sodium

question 62

Multiple Choice

The lattice spacing of the principal Bragg planes in sodium chloride is 0.282 nm.For what wavelength of x-rays will the first order reflected beam diffract at 55° with respect to the normal to the crystal planes?

• A)0.323 nm
• B)0.530 nm
• C)0.662 nm
• D)0.150 nm
• E)0.462 nm

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