The Frequency Separating Audible Waves and Ultrasonic Waves Is Considered

question 7

Multiple Choice

The frequency separating audible waves and ultrasonic waves is considered to be 20 kHz.What wavelength in air at room temperature is associated with this frequency? (Assume the speed of sound to be 340 m/s. )

• A)1.7 cm
• B)5.2 cm
• C)34 cm
• D)55 cm

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Definitions:

Inconsistent Product Definition

A scenario where there is a lack of clarity and coherence in the features, specifications, and requirements of a product across different stages of its development.

Interchangeable Parts

Components that are made to specifications that ensure they are so nearly identical that they will fit into any device of the same type.

Manufacturing

The process of producing goods and products in large quantities, typically utilizing machinery and labor in factories.

Eli Whitney

Known for inventing the cotton gin, a revolutionary device that greatly impacted the agricultural and industrial sectors by dramatically increasing the efficiency of cotton harvesting.