What Is the Intensity of Sound from a Band with a Sound

question 86

Multiple Choice

What is the intensity of sound from a band with a sound level of 129 dB? (I₀ = 10−¹² W/m²)

• A)7.94 W/m²
• B)1.29 W/m²
• C)79.4 W/m²
• D)12.9 W/m²
• E)129 W/m²

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Definitions:

Budget Surpluses

A situation where a government's revenue exceeds its expenditures over a specific period, indicating financial health.

Annually Balanced Budget

A budget in which revenues and expenditures are equal within a single fiscal year, ensuring no deficit or surplus.

Contractionary Gap

A situation where the aggregate output in an economy is below its potential output, leading to unemployment and underutilized resources.

Government Spending

The total amount of public spending by the government, including expenditures on public services, healthcare, education, and infrastructure.