A String,2

question 22

Multiple Choice

A string,2.0 meters in length,is fixed at both ends and tightened until the wave speed is 78 m/s.What is the frequency of the standing wave shown in the figure?

• A)120 Hz
• B)230 Hz
• C)350 Hz
• D)470 Hz

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Definitions:

Receptor Sites

Specific regions on the surface of cells or within cells that selectively bind to substances, such as neurotransmitters, hormones, or drugs, triggering a cellular response.

GABA

Gamma-Aminobutyric Acid (GABA) is a neurotransmitter in the brain that plays key roles in regulating anxiety, mood, and muscle tone.

Brain Circuits

Networks of neurons in the brain that work together to process information and control behaviors.

Prefrontal Cortex

The front part of the frontal lobes of the brain, crucial for decision making, social behavior, and personality expression.