Fiber Optics in a DVD Player Contain Their Light by Employing

question 7

Multiple Choice

Fiber optics in a DVD player contain their light by employing total internal reflection. Designers surround the pure glass core with another type of glass, called cladding, that has a different index of refraction from the core. How should you select a cladding?

• A) Cladding must have a smaller index of refraction than the core.
• B) Cladding must have a larger index of refraction than the core.

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Definitions:

Flexible Budget

A budget that adjusts or flexes with changes in volume or activity levels, allowing for more accurate financial planning.

Variable Costs

Expenses that change in proportion to the activity of a business.

Fixed Overheads

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance costs.

Estimated Total Cost

An approximation of the total cost associated with a project or production, including all relevant expenses.