X-Rays of Fixed Wavelength Yield a First-Order Maximum at a Grazing

question 30

Multiple Choice

X-rays of fixed wavelength yield a first-order maximum at a grazing angle of 12 $^{\circ}$ .At what angle would one expect to find the corresponding 3^rd order maximum?

• A) 4.0\(^{\circ}\)
• B) 12\(^{\circ}\)
• C) 36\(^{\circ}\)
• D) 39\(^{\circ}\)
• E) more information is needed

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