Two Loudspeakers S₁ and S₂, 3

question 69

Multiple Choice

Two loudspeakers S₁ and S₂, 3.0 m apart, emit the same single-frequency tone in phase at the speakers. A listener directly in front of speaker S₁ notices that the intensity is a minimum when she is 4.0 m from that speaker (see figure) . The listener now walks around speaker S₁ in an arc of a circle, staying 4.0 m from that speaker but increasing her distance from the other speaker. How far is she from speaker S₂ when she notices the first maximum in the sound intensity? The speed of sound in air is 340 m/s.

• A) 4.5 m
• B) 5.0 m
• C) 5.5 m
• D) 6.0 m
• E) 6.5 m

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Definitions:

Organizing Information

The process of arranging data and facts in a structured and logical manner for easy understanding and accessibility.

Personal Relationship

A connection between individuals based on emotional bonds, personal ties, or social associations.

Salutations

Greetings used in written or oral communication to express politeness or acknowledge someone's presence.

Positive Emphasis

The strategy of framing communication or information in a positive light to encourage a favorable response or perception.