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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Definitions:

Posterior Interventricular Artery

A blood vessel that runs along the heart's surface and supplies the ventricles with oxygen-rich blood.

Right Coronary Artery

A major artery of the heart that supplies blood to the right side of the heart and other areas.

Visceral Pericardium

The inner layer of the pericardium that is in direct contact with the heart, providing a protective and lubricating container.

Epicardium

The outermost layer of the heart wall, consisting of an epithelial layer and connective tissue, which provides lubrication and protection for the heart.