A Standing Wave Is Set Up in a 250-Cm String

question 81

Multiple Choice

A standing wave is set up in a 250-cm string fixed at both ends.The string vibrates in 5 distinct segments when driven by a 130-Hz source.What is the wavelength?

• A) 13 cm
• B) 25 cm
• C) 50 cm
• D) 100 cm
• E) ​200 cm

---

Definitions:

Grasping Reflex

An involuntary movement response in infants, where they firmly grasp objects placed in their palms.

Imitation

The action of copying or mimicking the behaviors, actions, or appearance of others as a means of learning or social interaction.

3-Week-Old Infant

An extremely young baby who is in the early stages of development, characterized by rapid growth and changes.

Tongue

A muscular organ in the mouth of most vertebrates that manipulates food for chewing and swallowing and is also used for taste and phonetic articulation.