What Is the Frequency of a Pressure Wave of Wavelength

question 24

Multiple Choice

What is the frequency of a pressure wave of wavelength 2.5 m that is traveling at 1400 m/s?

• A)178 Hz
• B)1.78 kHz
• C)560 Hz
• D)5.6 kHz

---

Definitions:

Cervical Lymph Nodes

Small, bean-shaped glands located in the neck area that are part of the lymphatic system, playing a role in the body's immune response.

Positive Romberg Sign

A sign of neurological dysfunction where a person sways or falls when standing with feet together and eyes closed, indicating proprioceptive or vestibular impairment.

Sternomastoid

A major muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone, involved in head movement and rotation.

Anterior and Posterior Triangles

Regions of the neck divided by the sternocleidomastoid muscle into front (anterior) and back (posterior) areas.