A Stretched Wire of Length 1

question 4

Multiple Choice

A stretched wire of length 1.0 m is clamped at both ends. It is plucked at its center as shown. The three longest wavelengths in the wire are (in meters) :

• A) 4, 2, 1
• B) 2, 1, 0.5
• C) 2, 0.67, 0.4
• D) 1, 0.5, 0.33
• E) 1, 0.67, 0.5

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Definitions:

Operating Income

Income generated from a company's regular business operations, excluding one-time events and expenses.

Variable Cost

Costs that change in proportion to the level of activity or volume of goods produced.

Fixed Costs

Costs that do not change with the volume of production, such as rent, salaries, or insurance.

Contribution Margin

The difference between sales revenue and variable costs of a product or service, used to cover fixed costs and to generate profit.