What Sound Level Change Corresponds to a Factor of Five

question 2

Multiple Choice

What sound level change corresponds to a factor of five change in intensity?

• A) 0.5 dB
• B) 5 dB
• C) 7 dB
• D) 16 dB
• E) ​50 dB

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Definitions:

Inflation

The pace of escalation in the overall price environment for goods and services, lessening the ability to procure.

Real Exchange Rate

A measure of the value of one country's currency compared to another's, adjusted for inflation, reflecting the purchasing power of the currencies for goods and services.

Net Exports

The difference between a country's total value of exports and its total value of imports, indicating whether it has a trade surplus or deficit.

Purchasing-power Parity

A theory in economics that states that exchange rates between currencies are in equilibrium when their purchasing power is the same in each of the two countries.