A Sound Wave in Air Has an Intensity of 1

question 54

Multiple Choice

A sound wave in air has an intensity of 1.00 × 10⁻³ W/m². The density of air is 1.29 kg/m³ and the speed of sound in air is 331 m/s. The pressure amplitude of the sound wave is

• A) 0.740 N/m².
• B) 0.821 N/m².
• C) 0.850 N/m².
• D) 0.924 N/m².
• E) 0.980 N/m².

Understand the benefits of organizational restructuring and less bureaucracy.

Recognize various methods used for job analysis and their applications.

Understand the key factors contributing to the success of employee involvement groups.

Identify Herzberg's key factors for job enrichment.

---

Definitions:

Equilibrium GDP

The level of Gross Domestic Product (GDP) at which aggregate supply equals aggregate demand.

Full Employment GDP

The total market value of all final goods and services produced at a time when all available resources are fully employed.

Automatic Stabilizers

Economic policies and programs designed to offset fluctuations in a nation's economic activity without intervention by the government or policymakers.

Business Cycle

The fluctuating levels of economic activity over time, including periods of expansion, peak, recession, trough, and recovery.