Two Loudspeakers S₁ and S₂, 3

question 41

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:

Benzene

A cyclic hydrocarbon with the formula C6H6, recognized for its aromatic properties and widespread use as a starting point in the manufacture of numerous chemicals.

3-bromotoluene

3-bromotoluene is a brominated aromatic compound with a bromine atom attached to the third position of a toluene molecule.

Toluene

A colorless, water-insoluble liquid hydrocarbon with the chemical formula \(C_7H_8\), used as an industrial solvent and precursor in chemical synthesis.

Structure

The configuration and interrelations among the components or aspects of a complicated entity.