Two Identical Loudspeakers Are Driven in Phase by the Same

question 86

Multiple Choice

Two identical loudspeakers are driven in phase by the same amplifier.The speakers are positioned a distance of 3.2 m apart.A person stands 4.1 m away from one speaker and 4.8 m away from the other.Calculate the second lowest frequency that results in destructive interference at the point where the person is standing.Assume the speed of sound to be 340 m/s.

• A)245 Hz
• B)735 Hz
• C)1225 Hz
• D)490 Hz
• E)1470 Hz

---

Definitions:

Human Intelligence

The cognitive capability of humans, including the ability to learn from experience, adapt to new situations, understand and handle abstract concepts, and use knowledge to manipulate one's environment.

Expert Systems

Computer systems that mimic the decision-making ability of a human expert.

Human Decision Makers

Individuals who make decisions based on analysis, intuition, experience, and judgment rather than through automated processes.

Predictive Agent

An AI or machine learning-based tool that analyzes patterns and data to forecast future events or behaviors, aiding in more informed decision-making.