Regarding Sound Waves, Which of the Following Statements Is TRUE

question 241

Multiple Choice

Regarding sound waves, which of the following statements is TRUE?

• A)Sound waves are produced by vibrating objects.
• B)The amplitude is the number of sound waves per second and corresponds to the perceived pitch of a sound.
• C)Compressions are the valleys within the sound waves.
• D)Rarefactions are the peaks within the sound waves.

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Definitions:

Flex-hours

A work schedule that allows employees some flexibility in choosing their working hours.

Physical Agent

An entity such as heat, light, or chemicals used in medical treatment to induce changes in the body.

Toxic Substances

Toxic substances are chemicals or compounds that can cause harm to humans, animals, or the environment when they are released or come into contact with living organisms.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.