Figure 14.5 ​ ​

question 10

Essay

Figure 14.5
​ ​
Fig. 14.5 shows a sound wave.
-Fig. 14.5 shows a sound wave in the air. L₁ = 200 ìPa, L₂ = 52.4 cm. Which note from Table 14.1 is represented? What is the amplitude of the wave? Take the speed of sound in the air as 343 m/s.

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Definitions:

Agriculture

The practice of cultivating the soil, growing crops, and raising livestock for food, fiber, and other products.

Demographic Transition

The transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system.

Mortality Rates

A measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.

Income

The monetary payment received for goods or services, or from other sources, as rents or investments.