Using the Sound Pressure Level (SPL) Method of Approximating Distance

question 136

Multiple Choice

Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?

• A) 1 watt
• B) 2 watts
• C) 4 watts
• D) 8 watts

Understand the characteristics that distinguish different forms of business organization.

Explore various opportunities within accounting and its related fields.

Understand and explain the importance of ethics in accounting.

Recognize the principles affecting financial reporting, such as the going-concern principle.

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Definitions:

IT Staff

Employees or team members responsible for managing and maintaining information technology and computer systems within an organization.

Sales Staff

Employees responsible for selling products or services and interacting with customers to achieve sales goals.

Fashion Retail Business

A commercial enterprise specializing in the sale of clothing and accessories to consumers.

Same Proportion

A principle where two quantities increase or decrease at the same rate, maintaining the same relationship.