At a Distance of 2

question 50

Multiple Choice

At a distance of 2.00 m from a point source of sound,the intensity level is 80.0 dB.What will be the intensity level at a distance of 4.00 m from this source? The lowest detectable intensity is 1.0 × 10^-12 W/m².

• A)77.0 dB
• B)74.0 dB
• C)60.0 dB
• D)40.0 dB
• E)20.0 dB

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Definitions:

Attentional Blink

A phenomenon where the brain momentarily unable to process a second stimulus if it occurs too soon after the first.

Second Stimulus

An additional stimulus presented following the first, which can modify the response to the initial stimulus.

ADHD

Attention Deficit Hyperactivity Disorder, a neurological disorder characterized by problems with focus, hyperactivity, and impulsiveness.

7th Graders

Students who are typically between the ages of 12 and 13, studying in the seventh grade of school in many educational systems.