A Person Is Hearing Two Sound Waves Simultaneously

question 27

Multiple Choice

A person is hearing two sound waves simultaneously.One has a period of 1.50 ms and the other one a period of 1.54 ms.What is the period of the beat due to these two waves?

• A) 0.040 ms
• B) 1.5 ms
• C) 3.0 ms
• D) 58 ms
• E) 330 ms

---

Definitions:

Motor Neuron

A type of neuron that transmits signals from the central nervous system to muscles or glands, causing them to act.

Effector

An organ or cell that acts in response to a stimulus, often involved in producing a response in the body.

Trochlear

Refers to the fourth cranial nerve or its associated muscle, involved in eye movement.

Autonomic Reflex

A bodily reflex mediated by the autonomic nervous system that regulates the function of internal organs, such as heart rate and digestion, without conscious effort.