A Certain Noise Measures 79 Decibels $$\mathrm { L } = 10 \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$$

question 196

Multiple Choice

A certain noise measures 79 decibels. If the intensity is multiplied by 10, how many decibels will the new noise measure? $$\mathrm { L } = 10 \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$$

• A) 79 decibels
• B) 89 decibels
• C) 80 decibels
• D) 790 decibels

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Definitions:

Per Capita GDP

The measure of a country's economic output per person, calculated by dividing the Gross Domestic Product by the total population.

Upper Volta

The former name of the West African country now known as Burkina Faso, until it was renamed in 1984.

Lower Volta

A region in Ghana, characterized by the Volta River's lower part, significant for its hydroelectric projects and agriculture.

Aggregate Production

The total output of goods and services produced by an economy over a specific time period.