An Organ Pipe with One End Open and the Other

question 41

Multiple Choice

An organ pipe with one end open and the other closed is operating at one of its resonant frequencies.The open and closed ends are respectively:

• A)pressure node, pressure node
• B)pressure node, displacement node
• C)displacement antinode, pressure node
• D)displacement node, displacement node
• E)pressure antinode, pressure antinode

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Definitions:

Variable Costing

An accounting method that only considers variable costs (costs that vary with the level of output) when calculating the cost of goods sold and production.

Absorption Costing

An accounting method that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a unit of product.

Net Operating Income

Represents the difference between operating revenues and operating expenses.

Common Fixed Expenses

Expenses that do not vary with the level of production or sales, shared among different business segments or products.