Two Loudspeakers Placed 6

question 23

Multiple Choice

Two loudspeakers placed 6.0 m apart are driven in phase by an audio oscillator,whose frequency range is 1595 Hz to 2158 Hz.A point P is located 4.7 m from one loudspeaker and 3.6 m from the other.The speed of sound is 344 m/s.The frequency produced by the oscillator,for which destructive interference occurs at point P,in SI units,is closest to:

• A)2033
• B)2127
• C)2095
• D)2064
• E)2001

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Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).

Visual Preferences

Individual tendencies to favor certain visual stimuli over others, often influenced by personal experiences, culture, and genetics.

Core Knowledge Researchers

Scientists and psychologists focused on understanding how humans, especially infants, develop core domains of understanding about the world, such as physics, biology, and psychology.

Core Knowledge Theorist

A theorist who posits that humans are born with innate, domain-specific knowledge systems, such as for language and physics.