Two Loudspeakers Are Placed Facing Each Other and Driven by the Same

question 48

Multiple Choice

Two loudspeakers are placed facing each other and driven by the same source at 680 Hz.A listener is positioned between the two speakers on the line separating them,thus creating a constructive interference at the listener's ear.If one of the speakers is gradually pushed toward the listener,how far must it be moved to repeat the condition of constructive interference at the listener's ear? (The speed of sound = 340 m/s. )

• A) 0.13 m
• B) 0.25 m
• C) 0.50 m
• D) 1.00 m

Recognize the role of reference groups in shaping individual behavior.

Understand how the structure and size of organizations impact efficiency and employee satisfaction.

Explore strategies for increasing organizational efficiency and employee morale.

Analyze the leadership styles and their effectiveness within organizations.

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Definitions:

Inhibitory Message

A neurological or psychological signal that reduces or prevents certain actions, thoughts, or feelings.

Refractory Period

A resting period after orgasm, during which a man cannot achieve another orgasm.

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Dendrite

The neuron’s bushy, branching extensions that receive messages and conduct impulses toward the cell body.