An X-Ray Beam of Wavelength 3 *10^-11 M Is Incident

question 23

Multiple Choice

An x-ray beam of wavelength 3 *10^-11 m is incident on a calcite crystal of lattice spacing 0.3 nm.The smallest angle between crystal planes and the x-ray beam which will result in constructive interference is:

• A)2.9°
• B)5.7°
• C)12°
• D)23°
• E)none of these

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Definitions:

Direct Labor-Hours

A measure of the work done by production workers, calculated in hours.

Variable Overhead

Variable overhead refers to costs that change in proportion to the production activity or business operations levels, such as utilities or materials.

Direct Materials

Ingredients that are identifiable in the production process of a product and serve as fundamental elements of the end product.

Direct Labor-Hours

The overall hours dedicated by workers who are directly contributing to the production line.