A Microphone Records Sound Produced from Two Speakers

question 31

Multiple Choice

A microphone records sound produced from two speakers. As the microphone is moved around, a position at which the microphone receives a minimum intensity is found. If the intensity of one of the sound waves alone at that location is 0.055 W/m², and if the microphone receives an intensity of 0.004 W/m² there, what is a possible value for the intensity of the other source at the microphone's location?

• A) Need more info to solve.
• B) 0.089 W/m²
• C) 0.051 W/m²
• D) 0.048 W/m²

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Definitions:

Assembly Department

An Assembly Department is a section within a manufacturing facility where components are assembled into final products.

Absorption Costing

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

Variable Costing

An accounting method that includes only variable production costs (materials, labor, and overhead) in product costs and treats fixed costs as period expenses.

Profit Reported

The financial gain disclosed by a business, typically over a specific period, after all expenses have been deducted from total revenues.