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

---

Definitions:

Promoting Employees

The process of advancing an employee's rank or position within a company, often accompanied by an increase in salary and responsibilities.

Davis-Bacon Act

A United States federal law that establishes the requirement for paying the local prevailing wages on public works projects for laborers and mechanics.

Prevailing Wages

The standard or most common wages determined by governmental or regulatory bodies, often used in context to ensure fair compensation in public contracts.

Skill-Based Pay Systems

Pay structures that set pay according to the employees' levels of skill or knowledge and what they are capable of doing.