During the Passage of a Longitudinal Wave,a Particle of the Medium

question 17

Multiple Choice

During the passage of a longitudinal wave,a particle of the medium

• A)remains in a fixed position.
• B)moves in a circle.
• C)moves at right angles to the direction of propagation.
• D)moves forward and backward along the line of propagation.
• E)moves forward with the velocity of the wave.

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Definitions:

Total Output

The total quantity of goods and services produced in an economy during a given period.

Fixed Cost

Expenses that do not change in total regardless of the level of output or activity, such as rent, salaries, and insurance.

Variable Cost

Expenses that vary directly with the volume of output or business operations.

Marginal Cost

The financial outlay required to produce an additional unit of a product or service.