A Crystalographer Uses X-Rays That Diffract from a Crystal in Which

question 36

Multiple Choice

A crystalographer uses X-rays that diffract from a crystal in which the spacing between atomic planes is 0.175 nm.If she observes a second-order diffraction at 22.0°,at what angle will she see the first-order diffraction?

• A)62.4°
• B)73.8°
• C)84.7°
• D)42.1°

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Definitions:

Zemstvos

Local government institutions established in imperial Russia in the 19th century, responsible for providing social and economic services at the local level.

Dumas

A legislative body in the Russian Federation, historically a term referring to representative institutions in Imperial Russia.

Nobility

A social class traditionally possessing hereditary titles, lands, and considerable social and political privileges, often influential in the governance and culture of their societies.

Crimean War

A military conflict fought from 1853 to 1856 in which Russia lost to an alliance of France, Britain, the Ottoman Empire, and Sardinia.