How Can You Tell the Difference Between the Sound of a Tuba

question 49

Multiple Choice

How can you tell the difference between the sound of a tuba and that of a flute?

• A) Each part of the spiral organ is sensitive to different wave frequencies.
• B) The brain interprets pitches based on the strength of the sound waves.
• C) Lower pitches cause the tympanic membrane to vibrate, while higher pitches vibrate the vestibular canal.
• D) Lower pitches activate all three bones of the middle ear, while higher pitches only activate one or two.
• E) The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches.

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Definitions:

Weighted-Average Method

An inventory costing method that calculates the cost of ending inventory and cost of goods sold based on the average cost of all goods available for sale during the period.

Conversion Costs

Combined costs of direct labor and manufacturing overhead, representing the costs to convert raw materials into finished goods.

Weighted-Average Method

An inventory costing method that takes the average cost of all goods available for sale during the period, weighted by the quantities purchased at different times.

Cost Reconciliation Report

A document that compares and explains the differences between expected costs and actual costs.